160804方法调用的练习题1

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方法调用类练习题
一、
User.Java

package com.jereh.practice;public class User {    /**     * @param args     */    String name;    long pw;    boolean sex;    int age;    int Time;    String level;    public User(String name,long pw,boolean sex,int age, int Time,String level){//      this.name=name;//      this.age=age;//      this.Time=Time;//      this.level=level;        System.out.println("大家好！我是"+name+"今年"+age+"岁，我是"+Time+"注册的，目前等级是："+level);    }}

run.Java

package com.jereh.practice;public class run {    /**     * @param args     */    public static void main(String[] args) {        // TODO Auto-generated method stub        User lucy=new User("lucy", 111111, false, 21, 20110108, "无敌小菜鸟");    }}

二、
ScoreCalc.java

package com.jereh.practice2;public class ScoreCalc {    int java;    int c;    int db;    public ScoreCalc(int java, int c, int db) {        super();        this.java = java;        this.c = c;        this.db = db;    }    public void sum(){        System.out.println("总成绩"+(double)(java+c+db));    }    public void avg(){        System.out.println("平均值"+(double)(java+c+db)/3);    }}

run.java

package com.jereh.practice2;import java.util.Scanner;import com.sun.org.apache.xalan.internal.xsltc.compiler.sym;public class run {    /**     * @param args     */    public static void main(String[] args) {        // TODO Auto-generated method stub        Scanner in=new Scanner(System.in);        int java;        int c;        int db;        ScoreCalc why=new ScoreCalc(100, 98, 98);        why.sum();        why.avg();    }}

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