Increment Decrement Operators Program in Java

public class JavaIncrementDecrementOperator 
{
    public static void main(String[] args) 
	{
        int i=10,j=10,num=0;
        System.out.println("i="+i);
        System.out.println("j="+j);
        System.out.println("num="+num);
        System.out.println("---------------------------------------");
        i++;
        j--;
        System.out.println("i="+i);
        System.out.println("j="+j);
        System.out.println("num="+num);
        System.out.println("---------------------------------------");
        num=i++;
        System.out.println("i="+i);
        System.out.println("j="+j);
        System.out.println("num="+num);
        System.out.println("---------------------------------------");
        num=i++ + ++i;
        System.out.println("i="+i);
        System.out.println("j="+j);
        System.out.println("num="+num);
        System.out.println("---------------------------------------");
        num=i++ + --j;
        System.out.println("i="+i);
        System.out.println("j="+j);
        System.out.println("num="+num);
        System.out.println("---------------------------------------");
        num=--i + j++;
        System.out.println("i="+i);
        System.out.println("j="+j);
        System.out.println("num="+num);
        System.out.println("---------------------------------------");
        num=++i + ++j;
        System.out.println("i="+i);
        System.out.println("j="+j);
        System.out.println("num="+num);      
        
    }
}

Output:

i=10
j=10
num=0
---------------------------------------
i=11
j=9
num=0
---------------------------------------
i=12
j=9
num=11
---------------------------------------
i=14
j=9
num=26
---------------------------------------
i=15
j=8
num=22
---------------------------------------
i=14
j=9
num=22
---------------------------------------
i=15
j=10
num=25

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