public class Test1 {
    public static void changeValue(int value){
    value = 0;
    }
    public static void main(String[] args) {
    int value = 2010;
    changeValue(value);//根据”变量的就近原则”，只是changeValue里面的变量value为0，与mian方法中的变量无关
    System.out.println(value);
    }
    }
    结果为=2010
    public class Value{
    public int i=15;
    }
    public class Test05 {
    public static void main(String[] args) {
    Test05 t05=new Test05();
    t05.first();
    }
    public void first(){
    int i=5;
    Value v=new Value();
    second(v,i);
    v.i=25;
    }
    public void second(Value v,int i){
    i=0;
    v.i=20;
    Value val=new Value();
    v=val;//将val的变量地址传给v
    System.out.println(v.i+” “+i);
    }
    }
    //Test05调用first调用second

    结果为=``15 0
    public class People {
    int eyes = 2;
    }


    public class JustDoIt0801 {
    public static void main(String[] args) {
    // 基本类型
    int i = 9;
    i);
    System.out.println(i);

    // 引用类型
    People p = new People();
    p);
    System.out.println(p.eyes);

    }
    private static void changeInt(int x){
    x = x + 9;
    }

    private static void changePeople(People x){
    x.eyes = x.eyes + 1;
    }
    }

    结果为=9 3
    public class Example{
    static int i=1;
    static{
    i=i+1;
    }
    public static void main(String[] args){
    i,5);
    i);
    }
    static void increment(int n,int m){
    n=n+m;
    }
    static void display(int n){
    System.out.println(n);
    }
    static{
    i=i+1;
    }
    }
    //一个类中可以有多个静态块，按先后顺序执行
    结果为=3
    public class TempTest {
    private void test1(int a){
    a = 5;
    System.out.println(“test1方法中的a=”+a);//5
    }
    public static void main(String[] args) {
    TempTest t = new TempTest();
    int a = 3;
    t.test1(a);//传递后，test1方法对变量值的改变不影响这里的a
    System.out.println(“main方法中的a=”+a);//3
    }
    }

    结果为？
    public class TempTest1 {
    private void test1(A a){
    a.age = 20; //a.age = 20;
    System.out.print(“test1方法中的age=”+a.age); a.age=10
    }
    public static void main(String[] args) {
    TempTest1 t = new TempTest1();
    A a = new A();
    a.age = 10;
    t.test1(a);
    System.out.print(“main方法中的age=”+a.age); a.age=10
    }
    }
    class A{
    public int age = 0;
    }
    结果为20 20