Java Array
Program :-1
public class Testing {
public static void main(String arg[]){
int arr[]= new int[1];
}
} successful run and compile
public class Testing {
public static void main(String arg[]){
int[] arr= new int[1];
}
} successful run and compile
public class Testing {
public static void main(String arg[] ){
int[]arr = new int[1];
}
} successful run and compile
public class Testing {
public static void main(String arg[] ){
int[]arr = new int[1];
System.out.println(arr );
}
}
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// [I@2c7b84de
// C:\VSjava>
class Testing {
public static void main(String arg[] ){
int[] arr = new int[10];
arr[0]=20;
arr[1]=33;
arr[3]=234;
arr[4]=54;
for(int i=0;i<10;i++){
System.out.println(arr[i]);
}
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 20
// 33
// 0
// 234
// 54
// 0
// 0
// 0
// 0
// 0
Program :-2
class Testing {
public static void main(String arg[] ){
int[] arr = {20,405,45};
for(int i=0;i<10;i++){
System.out.println(arr[i]);
}
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 20
// 405
// 45
// Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3
// at Testing.main(Testing.java:8)
// C:\VSjava>
Program :-3
class Testing {
public static void main(String arg[] ){
int[] arr = {20,405,45};
for(int i=0;i<arr.length;i++){
System.out.println(arr[i]);
}
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 20
// 405
// 45
// C:\VSjava>
Program :-4
class Demo {
public static void main(String arg[])
{
int[] a= new int[-3];
}
}
Program :-5
class Demo{
public static void main(String arg[]){
int[] a= new int[4];
a[0]=10;
a[1]=20;
a[2]=30;
a[4]=40;
for(int i =0;i<=3;i++){
System.out.println(a[i]);
}
}
}
Program :-6
class Demo{
public static void main(String arg[]){int[] a={10,20,30,45,64,24};for(int i =0;i<a.length;i++){System.out.println(a[i]+",");}}
}
Program :-8
class Demo{
public static void main(String arg[]){
int[] a={10,20,30,45,64,24};
for(int i:a)
{
System.out.println(i+",");
}
}
}
Program :-9
class Demo{
public static void main(String arg[]){
int[][] a={{10,20,30,40},{50,60},{70,80,90}};
System.out.println(a);
}
}
Program :-10
class Demo{
public static void main(String arg[]){
int[][] a={{10,20,30,40},{50,60},{70,80,90}};
System.out.println(a[0]);
;
}
}
Program :-11
class Demo{
public static void main(String arg[]){
int[][] a={{10,20,30,40},{50,60},{70,80,90}};
System.out.println(a[0][0]);
;
}
}
Program :-12
class Demo{
public static void main(String arg[]){
int[][] a={{10,20,30,40},{50,60},{70,80,90}};
System.out.println(a.length);
;
}
}
Output
// C:\VSjava>javac Test.java
// C:\VSjava>java Demo
// 3
// C:\VSjav
Program :-13
class Demo{
public static void main(String arg[]){
int[][] a={{10,20,30,40},{50,60},{70,80,90}};
System.out.println(a[0].length);
}
}
// Output
// C:\VSjava>javac Test.java
// C:\VSjava>java Demo
// 4
// C:\VSjav
Program :-14
class Demo{
public static void main(String arg[]){
int[][] a={{10,20,30,40},{50,60},{70,80,90}};
System.out.println(a[0][0].length);
}
}
// Output
// C:\VSjava>javac Test.java
// Test.java:6: error: int cannot be dereferenced
// System.out.println(a[0][0].length);
// ^
// 1 error
// C:\VSjava>
Program :-15
class Demo{
public static void main(String arg[]){
int[][] a={{10,20,30,40},{50,60},{70,80,90}};
for(int i=0;i<a.length;i++)
{
for(int j=0;j<a[i].length;j++)
{
System.out.println(a[i][j]+ " ");
}
System.out.println();
}
}
}
// Output
// C:\VSjava>javac Test.java
// C:\VSjava>java Demo
// 10
// 20
// 30
// 40
// 50
// 60
// 70
// 80
// 90
// C:\VSjava>
Program :-16
public static void main(String arg[]){
int a[]= new int[5];
a[0]= 10;
a[1]=20;
a[2]=30;
a[3]=40;
a[4]=50;
for(int i=0;i<a.length;i++)
System.out.println(a[i]);
}
}
// Output
// C:\VSjava>javac Test.java
// C:\VSjava>java Demo
// 10
// 20
// 30
// 40
// 50
// C:\VSjava>
Program :-17
class Demo{
public static void main(String arg[]){
int a[]={33,3,4,5};
for(int i=0;i<a.length;i++)
System.out.println(a[i]);
}
}
// Output
// C:\VSjava>javac Test.java
// C:\VSjava>java Demo
// 33
// 3
// 4
// 5
// C:\VSjava>
Program :-18
class Demo{
public static void main(String arg[]){
int arr[]={33,3,4,5};
for(int i:arr)
System.out.println(i);
}
}
// Output
// C:\VSjava>javac Test.java
// C:\VSjava>java Demo
// 33
// 3
// 4
// 5
// C:\VSjava>
Program:-21
class Demo{
static void min( int arr[]){
int min =arr[0];
for(int i=1;i<arr.length;i++)
if(min>arr[i])
min =arr[i];
System.out.println(min);
}
public static void main(String arg[]){
int a[]={33,3,4,5};
min(a);
}
}
// Output
// C:\VSjava>javac Test.java
// C:\VSjava>java Demo
// 3
// C:\VSjava>
Program:-22
Anonymous array in java
class Demo{
static void printarray(int arr[]){
for(int i=0;i<arr.length;i++)
System.out.println(arr[i]);
}
public static void main(String args[]){
printarray(new int[] {10,3,4,5} );
}
}
// C:\VSjava>javac Test.java
// C:\VSjava>java Demo
// 10
// 3
// 4
// 5
// C:\VSjava>
3 -Dimainsnal array
Program:-23
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// [[[I@2c7b84de
// C:\VSjava>
Program:-24
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>
// C:\VSjava>java Testing
// [[I@2c7b84de
// C:\VSjava>
Program:-25
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][0]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// [I@2c7b84de
// C:\VSjava>
Program:-26
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][0][0]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 10
// C:\VSjava>
Program:-27
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][1][0]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 30
// C:\VSjava>
Program:-28
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][1][1]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 40
// C:\VSjava>
Program:30
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][1][2]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 60
// C:\VSjava>
Program:-31
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][2][0]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 70
// C:\VSjava>
Program:-32
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][2][1]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 80
// C:\VSjava>
Program:-33
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][2][2]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 90
// C:\VSjava>
Program:-34
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][0][0]);
System.out.println(a[0][0][1]);
System.out.println(a[0][1][0]);
System.out.println(a[0][1][1]);
System.out.println(a[0][1][2]);
System.out.println(a[0][2][0]);
System.out.println(a[0][2][1]);
System.out.println(a[0][2][2]);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 10
// 20
// 30
// 40
// 60
// 70
// 80
// 90
// C:\VSjava>
Program:-35
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a.length);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 1
// C:\VSjava>
Program.:-36
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0].length);
}
}
//output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 3
// C:\VSjava>
Program:-37
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][0].length);
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 2
// C:\VSjava>
Program:-38
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
System.out.println(a[0][1].length);
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 3
// C:\VSjava>
Program:-39
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
for(int i=0;i<a.length;i++)
{
for(int j=0;j<a[i].length;j++)
{
for(int k=0;k<a[i][j].length;k++){
System.out.println(a[i][j][k]);
}
}
}
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 10
// 20
// 30
// 40
// 60
// 70
// 80
// 90
Program:-40
class Testing {
public static void main(String[] args)
{
int[][][] a={{{ 10,20},{30,40,60},{70,80,90}}};
for(int i=0;i<a.length;i++)
{
for(int j=0;j<a[i].length;j++)
{
for(int k=0;k<a[i][j].length;k++){
System.out.println(a[i][j][k]+" ");
}
System.out.println();
}
}
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 10
// 20
// 30
// 40
// 60
// 70
// 80
// 90
// C:\VSjava>
Anonymous Array
Program:-41
class Testing {
public static void main(String[] args)
{
Testing.sum(new int[] {10,20,30});
}
static void sum(int[] no)
{
int total=0;
for(int i:no)
{
total=total+i;
}
System.out.println(total);
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 60
// C:\VSjava>
Program:-42
class Testing {
public static void main(String[] args)
{
Testing.sum(new int[][] {{10,20,30},{40,50}});
}
static void sum(int[][] no)
{
int total=0;
for(int ii[]:no)
{
for(int i:ii)
{
total=total+i;
}
}
System.out.println("sum is:"+total);
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// sum is:150
// C:\VSjava>
1-D Array
Program:-43
class Testing {
public static void main(String[] args)
{
int[] a= {10,90,20};
for(int i=0;i<a.length;i++){
System.out.println(a[i]);
}
}
}
//Output
// /C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 10
// 90
// 20
// C:\VSjava>
2-D Array
Program:-45
class Testing {
public static void main(String[] args)
{
int[][] a= {{10,90,20},{22,33,44}};
for(int i=0;i<a.length;i++){
for(int j=0;j<a[i].length;j++){
System.out.println(a[i][j]+" ");
}
System.out.println( );
}
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 10
// 90
// 20
// 22
// 33
// 44
// C:\VSjava>
3-D Array
Program:-46
class Testing {
public static void main(String[] args)
{
int[][][] a= {{{10,90,20},{22,33,44},{12,13,15}}};
for(int i=0;i<a.length;i++){
for(int j=0;j<a[i].length;j++){
for(int k=0;k<a[i][j].length;k++){
System.out.println(a[i][j][k]+" ");
}
System.out.println( );
}
}
}
}
//Output
C:\VSjava>javac Testing.java
C:\VSjava>java Testing
// 10
// 90
// 20
// 22
// 33
// 44
// 12
// 13
// 15
// C:\VSjava>
3-D Array
Program:-47
class Testing {
public static void main(String[] args)
{
int[][][] a= {{{10,90,20},{22,33,44}},{{12,13,15},{44,55}}};
for(int i=0;i<a.length;i++){
for(int j=0;j<a[i].length;j++){
for(int k=0;k<a[i][j].length;k++){
System.out.println(a[i][j][k]+" ");
}
System.out.println( );
}
}
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 10
// 90
// 20
// 22
// 33
// 44
// 12
// 13
// 15
// 44
// 55
// C:\VSjava>
Different way of single dimensional array element print
FoR EACH LOOP
Program:-48
class Testing {
public static void main(String[] args)
{
int[] a={10,20,30};
for(int i:a){
System.out.println(i+" ");
}
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 10
// 20
// 30
// C:\VSjava>
while loop
Program:-49
class Testing {
public static void main(String[] args)
{
int[] a={10,20,30};
int i=0;
while(i<a.length)
{
System.out.println(a[i]+" ");
i++;
}
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java Testing
// 10
// 20
// 30
// C:\VSjava>
DoWhile
Program:-50
class Testing {
public static void main(String[] args)
{
int[] a={10,20,30};
int i=0;
do
{
System.out.println(a[i]+" ");
i++;
} while(i<a.length);
}
}
Bubble sort
Program:-51
class BubbleSort
{
public static void main(String args[]){
int[] a={36,19,29,12,5};
int temp;
for(int i=0;i<a.length;i++)
{
for(int j=0;j<a.length-1;j++)
{
if(a[j]>a[j+1])
{
temp= a[j];
a[j]=a[j+1];
a[j+1]=temp;
}
}
}
for(int i=0;i<a.length;i++)
{
System.out.println(a[i]+" ");
}
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java BubbleSort
// 5
// 12
// 19
// 29
// 36
// C:\VSjava>
Program:-52
class BubbleSort
{
public static void main(String args[]){
int[] a={36,19,29,12,5};
int temp;
for(int i=0;i<a.length;i++)
{
int flag=0;
for(int j=0;j<a.length-1-i;j++)
{
if(a[j]>a[j+1])
{
temp= a[j];
a[j]=a[j+1];
a[j+1]=temp;
flag=1;
}
}
if(flag==0){
break;
}
}
for(int i=0;i<a.length;i++)
{
System.out.println(a[i]+" ");
}
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java BubbleSort
// 5
// 12
// 19
// 29
// 36
// C:\VSjava>
Program:-53
class BubbleSort
{
public static void main(String args[]){
String[] a={" deepak ","amit ","deepash","vironika ", "rahul"};
String temp;
for(int i=0;i<a.length;i++)
{
int flag=0;
for(int j=0;j<a.length-1-i;j++)
{
if(a[j].compareTo(a[j+1])>0)
{
temp= a[j];
a[j]=a[j+1];
a[j+1]=temp;
flag=1;
}
}
if(flag==0){
break;
}
}
for(int i=0;i<a.length;i++)
{
System.out.println(a[i]+" ");
}
}
}
//Output
// C:\VSjava>javac Testing.java
// C:\VSjava>java BubbleSort
// deepak
// amit
// deepash
// rahul
// vironika
// C:\VSjava>
Program:-54
Program:-55
Program:-56
Program:-57
Program:-58
Program:-59
Program:-60
Program:-61
Program:-62
Program:-63
Program:-64
Program:-65
Program:-66
Program:-67
Program:-68
Program:-69
Program:-70
Program:-71
Program:-72
Program:-73
Program:-74
Program:-75
Program:-76
Program:-77
Program:-78
Program:-79
Program:-80
Comments
Post a Comment