Method Program

1:  METHOD

class Demo{

public static void main(String[] args){

int a=5;

int b=7;

int c;

if(a>b){

    c=a+b;

}

else

{

    c=(a+b)*5;

}

int a1=2;

int b1=1;

int c1;

if(a1>b1){

    c1=a1+b1;

}

else

{

    c1=(a1+b1)*5;

}

   

System.out.println(c);

System.out.println(c1);

} }                                        

C:\java>javac Testing.java

C:\java>java Demo

60

3

C:\java>

                                                                                     

2:-

class Demo{

static int logic (int x,int y){

    int z;

    if(x>y ){  

    z=x+y;

}

else

{

    z=(x+y)*5;

}

return z;

}

public static void main(String[] args){

int a=5;

int b=7;

int c;

c=logic(a,b);

int a1=2;

int b1=1;

int c1;

c1=logic(a1,b1);

   

System.out.println(c);

System.out.println(c1);

} }

C:\java>javac Testing.java

C:\java>java Demo

60

3

C:\java>

3:-

    class Demo{

 int logic (int x,int y){

    int z;

    if(x>y ){  

    z=x+y;

}

else

{

    z=(x+y)*5;

}

return z;

}

public static void main(String[] args){

int a=5;

int b=7;

int c;

//method invocation using object creation

Demo  obj = new Demo();

c=obj.logic(a,b);

//c=logic(a,b);

int a1=2;

int b1=1;

int c1;

c1=obj.logic(a1,b1);

//c1=logic(a1,b1);

   

System.out.println(c);

System.out.println(c1);

} }

C:\java>javac Testing.java

C:\java>java Demo

60

3

C:\java>

4:-

class Demo

{

   

 static void telljoke(){

     System.out.println("i invented a new workd! \n "+ "plagiarism!");

 }

    public static void main(String args[])

    {

    telljoke();

    }

}

   

C:\java>javac Testing.java

C:\java>java Demo

i invented a new workd!

 plagiarism!

   

or

5:-

class Demo

{

   

 static void telljoke(){

     System.out.println("i invented a new workd! \n "+ "plagiarism!");

 }

    public static void main(String args[])

    {

    Demo.telljoke();

    }

}

   

C:\java>javac Testing.java

C:\java>java Demo

i invented a new workd!

 plagiarism!

   

6:-   case 1

class Demo

{

   

 static void change(int a){

     a=98;

 }

    public static void main(String args[]){

    int []marks={52,73,77,89,98,94};

    int x=45;

    change(x);

    System.out.println("The value of x after running change is "+x);

}

}

   

C:\java>javac Testing.java

C:\java>java Demo

The value of x after running change is 45

C:\java> 

   

7:-  case 2

class Demo

{

   

 static void change2(int [] arr){

     arr[0]=98;

 }

    public static void main(String args[]){

    int []marks={52,73,77,89,98,94};

    //case 2 Changing the integer

   

    change2(marks);

    System.out.println("The value of x after running change is "+marks[0]);

       

    }

}

   

C:\java>javac Testing.java

C:\java>java Demo

The value of x after running change is 98

C:\java>