javaÖеÄthisºÍsuper

this
¶ÔÏó±¾Éí¡£public class ThisTest {
ThisTest tTest;
public ThisTest(){
tTest = this;
}
public void test(){
System.out.println(this);
}
public static void main(String arg[]){
new ThisTest().test();
}
}

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³ÉÔ±±äÁ¿ÒýÓá£public class ThisTest {
String name;
String password;
public ThisTest(String name,String password){
this.name = name;
this.password = password;
}
public static void main(String arg[]){
ThisTest tTest= new ThisTest("fanqd","123456");
System.out.println(tTest.name);
System.out.println(tTest.password);
}
}
ÔÚ¹¹Ô캯ÊýÄÚ²¿µÚÒ»ÐУ¬µ÷Óñ¾ÀàÁíÒ»¸ö¹¹Ô캯Êý¡£public class ThisTest {
String name;
String password;
public ThisTest(int age){
this("liulingling", "666666");
}
public ThisTest(String name,String password){
this.name = name;
this.password = password;
}
public static void main(String arg[]){
ThisTest tTest= new ThisTest(20);
System.out.println(tTest.name);
System.out.println(tTest.password);
}
}
Super
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ÔÚ¹¹Ô캯ÊýµÚÒ»ÐУ¬µ÷Óø¸À๹Ô캯Êý¡£public class SuperTest extends Father {
public SuperTest(String name,int age){
super(name, age);
}
public SuperTest(){
super(); //¿ÉÒÔÊ¡ÂÔ£¬×ÓÀà»á×Ô¶¯µ÷Óø¸ÀàµÄĬÈϹ¹Ô캯Êý
}
public static void main(String arg[]){
SuperTest st = new SuperTest("fanqd",30);
System.out.println(st.name);
System.out.println(st.age);
SuperTest df = new SuperTest();
}
}