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java常见编程题
JAVA编程题目
答:
public class Student { private String name;private char sex;private String course;private int age;private int result;public String getRes(int result){ if(result==1){ return "优秀";}else if(result==2){ return "良好";}else if(result==3){ return "一般";}else{ return "差";...
JAVA
语言的
编程题
答:
没太看懂是实现这些方法,还是编写工具类。看着改改把。public class Test { public static void main(String[] args) { String s="adc";System.out.println(concatStrings(s));} public static String touppercasee0(String str1) { String smallToBig =str1.toLowerCase();return smallToBig;}...
java
面向对象
编程题目
。要求用抽象类和接口
答:
//abstractShape形状类public abstract class Shape {abstract doublearea();abstract doubleperimeter();}//Rectangle继承Shape类public class Rectangle extends Shape {privatedoublewidth;public double getWidth() {return width;}public void setWidth(double width) {this.width = width;}public double ...
JAVA编程题
急求啊
答:
import
java
.util.Scanner;public class Test{ public static void main(String[] args){ Scanner s = new Scanner(System.in);System.out.println("请输入10个学生成绩(用空格分隔):");int[] sco = getScores(s);for(int i=0;i<sco.length-1;i++){ for(int j=0;j<sco.length-1-...
Java编程
,求帮忙,挺基础的题目,会的帮帮我吧
答:
class Complex { private double r;private double i;public Complex() { this.r=0;this.i=0;} public Complex(double r, double i) { this.r=r;this.i=i;} public Complex(Complex ref) { this.r=ref.getReal();this.i=ref.getImage();} public double getReal() { return r;} p...
急求几道
java编程
小题,望各位大神解救!
答:
public double getNum(double x){ return Math.exp(x-1)*Math.cos(Math.PI/x); }好我来再做一道
JAVA
初学者
编程题
d
答:
import
java
.awt.BorderLayout;import javax.swing.JPanel;import javax.swing.JFrame;import java.awt.Dimension;import java.awt.GridBagLayout;import java.awt.GridBagConstraints;import java.awt.GridLayout;import javax.swing.JButton;import java.awt.CardLayout;public class mianbansy extends JFrame...
java
算工资的
编程题
?
答:
class Salary{ private int no;private String name;private double deal;private double tax;public Salary(int no,String name,double deal,double tax){ this.no=no;this.name=name;this.deal=deal;this.tax=tax;} public double count(){ return this.deal-this.tax;} public void output(){...
一道
Java
的题目 求
编程
答:
问题搞清楚了,就来
编程
吧,经测试,我的代码可以正确运行:package test01;import
java
.util.Scanner;public class TestSystemIn { public static void main(String[] args) { System.out.println("请输入内容,不同内容以逗号隔开,请以0结尾,以回车结束");Scanner scanner = new Scanner(System.in...
java
编程题
,填空
答:
import
java
.io.*;import java.util.Scanner;public class T4 {public static void main(String[] args) throws Exception {RandomAccessFile rf = null;Scanner reader = new Scanner(System.in);int num;try {rf = new RandomAccessFile("D:/ch8/tom.dat", "rw"); // 以读写模式打开} ...
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