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一個(gè)簡(jiǎn)單的Java程序代碼?
package com.zpp;public class Charge {
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public static void main(String [] args) {
if(args.length ==0) {
System.out.println("parameter error!");
System.out.println("java com.zpp.Charge [int]");
return;
}
int min = Integer.parseInt(args[0]);
double money = 0.0;
if (min = 0) {
money =0.0;
System.out.println("not money");
} else if (min = 60) {
money = 2.0;
} else {
money = 2.0 + (min - 60) * 0.01;
}
System.out.println("please pay: " + money);
}
} 編譯:javac -d . Charge.java運(yùn)行:java com.zpp.Charge 111
Java編程(寫出程序代碼)
import?java.util.Scanner;
/*輸入一個(gè)成績(jī),將該成績(jī)轉(zhuǎn)換為A、B、C、D和E:成績(jī)?cè)?0分以上,結(jié)果為A,成績(jī)?cè)?0-90之間,結(jié)果為B,成績(jī)?cè)?0-80之間,結(jié)果為C,成績(jī)?cè)?0-70之間,結(jié)果為D,成績(jī)?cè)?0分以下,結(jié)果為E。*/
public?class?Chengfabiao
{
public?static?void?main?(String[]?args)
{
Scanner?scanner?=?new?Scanner(System.in);
int?score?=?scanner.nextInt();
if(score90)
{
System.out.println("A");
}
else?if(score=80)
{
System.out.println("B");
}
else?if(score=70)
{
System.out.println("C");
}
else?if(score=60)
{
System.out.println("D");
}
else
{
System.out.println("E");
}
}
}
用java編寫一個(gè)簡(jiǎn)單例子,題目如下
package test;
public class Student {
private String name;
private String id;
private String clazz;
private int age;
private String address;
/**
* sayHello方法
*/
public void sayHello() {
System.out.println("學(xué)號(hào)為" + this.id + "的同學(xué)的具體信息如下:");
System.out.println("姓名:" + this.name);
System.out.println("班級(jí):" + this.clazz);
System.out.println("年齡:" + this.age);
System.out.println("家庭住址:" + this.address);
}
/**
* 測(cè)試方法
*
* @param args
*/
public static void main(String[] args) {
// 第一問
Student student = new Student();
student.setAddress("百度知道");
student.setAge(1);
student.setClazz("一班");
student.setId("071251000");
student.setName("lsy605604013");
student.sayHello();
// 第二問
Student studentNew = new Student();
studentNew.setAddress("搜搜知道");
studentNew.setAge(2);
studentNew.setClazz("二班");
studentNew.setId("071251001");
studentNew.setName("lady");
if (student.getAge() studentNew.getAge())
studentNew.sayHello();
else if (student.getAge() studentNew.getAge())
student.sayHello();
else
System.out.println("兩人一樣大");
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getClazz() {
return clazz;
}
public void setClazz(String clazz) {
this.clazz = clazz;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
}
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