// Online Java Compiler// Use this editor to write, compile and run your Java code onlineclass Main {public static boolean test(String a, String b) {return a == b;}public static void main(String[] args) {System.out.println(test("foo", "foo"));System.out.println(test("foo", "fo"+"o"));String o = "o";System.out.println(test("foo", "fo"+o));}}
