package ch02.test;
public class Test2_06 {
	public static void main(String[] args) {
		int x,y,z;
		String a,b,c;
		x=10;
		y=20;
		z=x+y;
		a="10";
		b="20";
		c=a+b;
		System.out.println(x+"+"+y+"="+z);
		System.out.println(x+y);
		System.out.println(z);	
		System.out.println(x+""+y);
		System.out.println(x+""+y);
		System.out.println(x+y+"");
		System.out.println(""+x+y);
		System.out.println(a+"+"+b+"="+c);
		System.out.println(a+b);
		System.out.println(c);
	}
}
