package test;public class Test { int value; public static void main(String args[]) { Test test = new Test(); test.value = 1; Test test2 = new Test(); test2 = test; test.value = 2; System.out.println(test.value);// 2 System.out.println(test2.value);// 2 }}
package test;public class Test2 { int value; public static void main(String args[]) { Test test = new Test(); test.value = 1; int temp = test.value; test.value = 2; System.out.println(test.value);// 2 System.out.println(temp);// 1 }}
package test;public class Test3 { int value; public static void main(String args[]) { Test test = new Test(); test.value = 1; Test temp = new Test(); temp.value = test.value; test.value = 2; System.out.println(test.value);// 2 System.out.println(temp.value);// 1 }}
package test;public class Test4 { int value; public static void main(String args[]) { Test test = new Test(); test.value = 1; int[] temp = new int[1]; temp[0] = test.value; test.value = 2; System.out.println(test.value);// 2 System.out.println(temp[0]);// 1 }}
package test;import java.util.ArrayList;import java.util.List;public class Test5 { public static void main(String args[]) { Test test = new Test(); List list = new ArrayList(); list.add(test); Test test2 = (Test) list.get(0); System.out.println(test);// 同下 System.out.println(test2);// 同上 }}
package test;import java.util.ArrayList;import java.util.List;public class Test6 { int value; public static void main(String args[]) { Test test = new Test(); test.value = 1; List list = new ArrayList(); list.add(test); test.value = 2; Test test2 = (Test) list.get(0); System.out.println(test.value);// 2 System.out.println(test2.value);// 2 }}
package test;import java.util.ArrayList;import java.util.List;public class Test7 { int value; public static void main(String args[]) { Test test = new Test(); test.value = 1; List list = new ArrayList(); list.add(test); test.value = 2; Test test2 = (Test) list.get(0); System.out.println(test.value);// 2 System.out.println(test2.value);// 2 }}
package test;public class Test8 { int value; public static void main(String args[]) { Test8 test = new Test8(); test.value = 1; Test8 test2 = test; test.value = 2; System.out.println(test.value);// 2 System.out.println(test2.value);// 2 }}
package test;public class Test9 { int value; public void setInt(int parameter) { parameter = 10; } public void setObject(Test9 parameter) { parameter.value = 10; } public static void main(String args[]) { Test9 test = new Test9(); test.value = 1; test.setInt(test.value); System.out.println(test.value);// 1 Test9 test2 = new Test9(); test2.value = 1; test2.setObject(test2); System.out.println(test2.value);// 10 }}
package test;public class Test10 { int value; public void setInt(int parameter) { parameter = 10; } public void set() { value = 10; } public void setObject(Test10 parameter) { parameter.value = 10; } public static void main(String args[]) { Test10 test = new Test10(); test.value = 1; test.set(); System.out.println(test.value);// 10 Test10 test2 = new Test10(); test2.value = 1; test.setObject(test2);//注意是test不是test2 System.out.println(test2.value);// 10 }}
package test;public class Test11 { int value; public static void main(String args[]) { Test11[] test = new Test11[1]; test[0] = new Test11(); test[0].value = 1; System.out.println(test[0].value);// 1 Test11 test2 = new Test11(); test2.value = 2; test2 = test[0]; test[0].value = 3; System.out.println(test2.value);// 3 test2.value = 4; System.out.println(test[0].value);// 4 }}
人格的完善是本，财富的确立是末。
