public class A {
public static void main(String args[]) {
String s1 = "Hello";
String s2 = "Hello";
System.out.println(s1 == s2);
}
}
public class A {
public static void main(String args[]) {
String s1 = "Hello";
String s2 = new String("Hello");
System.out.println(s1 == s2);
System.out.println(s1.equals(s2));
}
}
public class A {
public static void main(String args[]) {
String s1 = new String("Hello");
String s2 = new String("Hello");
System.out.println(s1 == s2);
System.out.println(s1.equals(s2));
}
}
String s1 = "Hello";
String s2 = new String("Hello");
public class A {
public static void main(String args[]) {
String s1 = new String("Hello");
String s2 = new String("Hello");
String s3 = "Hello";
s1=s1.intern();
s2=s2.intern();
System.out.println(s1 == s2);
System.out.println(s1.equals(s2));
System.out.println(s3 == s2);
System.out.println(s3.equals(s2));
}
}
public class A {
public static void main(String args[]) {
String s1 = new String("Hello");
String s3 = "Hello";
s1=s1.intern();
String s2 = new String("Hello");
s2=s2.intern();
//也可以String s2 = new String("Hello").intern();
System.out.println(s1 == s2);
System.out.println(s1.equals(s2));
System.out.println(s3 == s2);
System.out.println(s3.equals(s2));
}
}
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