public class IntegerTest {
public static void main(String[] args) {
Integer i1 = new Integer(127);
Integer i2 = new Integer(127);
System.out.println(i1 == i2); // false
System.out.println(i1.equals(i2)); // true
System.out.println("------------------------");
Integer i3 = new Integer(128);
Integer i4 = new Integer(128);
System.out.println(i3 == i4); // false
System.out.println(i3.equals(i4)); // true
System.out.println("------------------------");
Integer i5 = 128;
Integer i6 = 128;
System.out.println(i5 == i6); // false
System.out.println(i5.equals(i6)); // true
System.out.println("------------------------");
Integer i7 = 127;
Integer i8 = 127;
System.out.println(i7 == i8); // true
System.out.println(i7.equals(i8)); // true
}
}
|
|
收藏
淘帖
踩
