if(s1=="hello"){
System.out.println("s1 = "hello"");
}else{
System.out.println("s1 !=hello");
}

String s1 = "sdut";
String s2 = "I love " + s1;
String s3 = "I love " + s1;
System.out.print(s2 == s3);
Sytem.out.println(" "+s2.equals(s3));

int i= 110;    
String str2="lucky"+i+2;
System.out.println(str2);    

class  A {
int i;
static String s;
void method1() { }
static void method2() { }
}