java补全代码题,java自动补全代码

初学者java小程序，求java大神帮我补充一下空缺代码！

import java.util.Arrays;

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public class Array2 {

public static void main(String[] args) {

//声明一个名为myArray的数组,该数组有2行,每行列数不等,并为其分配内存空间

int[][] myArray = new int[2][];

myArray[0] = new int[5]; //第一行有5个元素,并为其分配内存空间

myArray[1] = new int[10]; //第二行有10个元素,并为其分配内存空间

for (int j = 0; j myArray[0].length; j++)

//用1-10之间的随机整数给第一行元素赋值

myArray[0][j] = (int)(Math.random() * 10);

//用100-200之间的随机整数给第二行元素赋值

for (int j=0; j myArray[1].length; j++)

myArray[1][j]=(int)(Math.random() * 100 + 100);

for (int i=0; i myArray.length; i++){ //输出myArray数组各元素的值

for (int j=0; j myArray[i].length; j++){

System.out.print(myArray[i][j]+" ");

}

System.out.println();

}

Arrays.sort(myArray[0]); //对第一行元素排序

Arrays.sort(myArray[1]); //对第二行元素排序

System.out.println("\n排序后的数组元素: ");

for (int i=0; imyArray.length;i++){ //再次输出myArray数组各元素的值

for (int j=0; jmyArray[i].length;j++){

System.out.print(myArray[i][j]+" ");

}

System.out.println();

}

7 3 9 6 7

103 165 166 148 103 179 128 109 120 156

排序后的数组元素:

3 6 7 7 9

103 103 109 120 128 148 156 165 166 179

java程序补全

public void frighten() {

System.out.println("Arrrgh!");

}

public void frighten() {

System.out.println("A bite?");

}

要问为什么,懒得说,仔细想一下类的继承和多态.

求解一道Java实验题，给出一段代码，要求把该代码补充完整使其可以运行，具体要求如下

package xinguan;

abstract class Operation{ //抽象类

public static double numberA= 0;

public static double numberB = 0;

abstract double getResult(); //抽象方法

}

class OperationADD extends Operation{

@Override

double getResult() {

return numberA+numberB;

}

class OperationSUB extends Operation{

@Override

double getResult() {

return numberA-numberB;

}

class OperationMUL extends Operation{

@Override

double getResult() {

return numberA*numberB;

}

class OperationDIV extends Operation{

@Override

double getResult() {

return numberA/numberB;

}

class OperationFactory{

public static Operation createOperate(char operate){

Operation oper = null;

switch (operate){

case'+':

oper= new OperationADD();

break;

case'-':

oper= new OperationSUB();

break;

case'*':

oper= new OperationMUL();

break;

case'/':

oper= new OperationDIV();

break;

}

return oper;

}

public class CalculateDemo {

/**

* @param args

public static void main(String[] args) {

Operation operADD = OperationFactory.createOperate('+');

Operation operSUB = OperationFactory.createOperate('-');

Operation operMUL = OperationFactory.createOperate('*');

Operation operDIV = OperationFactory.createOperate('/');

operADD.numberA = 15.0;

operADD.numberB = 3;

System.out.println(operADD.getResult());

System.out.println(operSUB.getResult());

System.out.println(operMUL.getResult());

System.out.println(operDIV.getResult());

}

因为抽象类是静态方法所以给operADD 那个对象赋值一次就能获得所有结果。要是去掉static 那么就需要每个对象赋值。现在基本满足你的要求了。

java的补全程序。。。。

class Father {

private int f1, f2;

public Father(int x) {

f1 = x;

}

public Father(int x, int y) {

// 和上面一个参数的构造方法做同样的操作，包括赋值 f1=x

f1 = x ;

f2 = y;

}

public void display() {

System.out.println("f1=" + f1 + "f2=" + f2);

}

class Son extends Father { // 继承类 Father

private int s1;

private int s2;

public Son(int x, int y) {

// 调用父类的构造方法，传递参数x

super(x);

s1 = y;

}

public void display() {

// 调用父类的display()方法

super.display();

System.out.println("s1=" + s1 + "s2=" + s2);

}

public class Test {

public static void main(String args[]) {

Father f = new Son(5, 6);

f.display();

}

java 帮我补全

以下代码仅供参考，用的是另外一种思路

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

public class Main {

public static void main(String[] args) {

Calendar c = Calendar.getInstance();

SimpleDateFormat s = new SimpleDateFormat("yyyy");

int year = Integer.parseInt(s.format(new Date()));

s = new SimpleDateFormat("MM");

int month = Integer.parseInt(s.format(new Date()));

s = new SimpleDateFormat("dd");

int day = c.get(Calendar.DAY_OF_MONTH);

c.set(Calendar.YEAR, year);

c.set(Calendar.MONTH, month);

System.out.println(year + "年" + month + "月" + day + "日" + "\t" + "日历如下:");

c = Calendar.getInstance();

int currentMonth = -1;

c.set(year, 0, 1);

while (c.get(Calendar.YEAR) == year) {

/**

* 判断是否处于同一个月份

* 若不是则需要输出表头

if (currentMonth != c.get(Calendar.MONTH)) {

System.out.println("");

currentMonth = c.get(Calendar.MONTH);

System.out.println((currentMonth + 1) + "月");

System.out.println("星期日\t星期一\t星期二\t星期三\t星期四\t星期五\t星期六");

for (int i = 1, k = c.get(Calendar.DAY_OF_WEEK); i k; i++) {

System.out.print(String.format("%1$5s\t", ""));

}

System.out.print(String.format("%1$5d\t", c.get(Calendar.DAY_OF_MONTH)));

/**

* 日期+1

c.add(Calendar.DAY_OF_YEAR, 1);

/**

* 当日期是星期天并且不是一个月的最后一天时输出换行

if (c.get(Calendar.DAY_OF_WEEK) == 1 currentMonth == c.get(Calendar.MONTH)) {

System.out.println("");

}