Object assignments

[jose chiramal]

class Test7 {
	int a;
	int b;
	Test7(int a, int b)
	
	{
		this.a=a;
		this.b=b;
		
	}
public static void main(String[] arguments) {

int a = 1,b=2;
Test7 t1 = new Test7(a,b);
int a1 = 3,b1=4;
Test7 t2 = new Test7(a1,b1);
System.out.println("t1: " + t1.a + ", " + t1.b);
System.out.println("t2: " + t2.a + ", " + t2.b);
System.out.println("t1 equals t2 ???" + t1.equals(t2));
System.out.println("t1 == t2 ???" + (t1==t2));
t1=t2;
t2.a = 100;
t2.b = 100;
System.out.println("t1: " + t1.a + ", " + t1.b); // am changing only the value for t2, why does the value for t1 also change ?
System.out.println("t2: " + t2.a + ", " + t2.b);
System.out.println("t1 equals t2 ???" + t1.equals(t2));
System.out.println("t1 == t2 ???" + (t1==t2));
}
}

    

[Manish Singh]

Because after t1=t2; both these variables refer to the same object