编程java代码 java编程代码大全

java编程(写出程序代码)public class Test {
public static void main(String[] args) {
// 定义数组
int[][] array = new int[5][6];
// 生成随机数初始化数组
for (int i = 0; iarray.length; i++) {
for (int j = 0; jarray[i].length; j++) {
array[i][j] = (int) (40 * Math.random()) + 10;
}
【编程java代码 java编程代码大全】}
// 输出数组
for (int i = 0; iarray.length; i++) {
for (int j = 0; jarray[i].length; j++) {
System.out.print(array[i][j] + "\t");
}
System.out.println(); // 换行
}
}
}
编程java 求代码有 4 个 java 文件 , 分别是 Shape.java,Square.java , Circle.java , ShapeTest.java 。其内容如下:
Shape.java
package graphics;
interface class Shape {
double getArea();
double getPerimeter();
}
Square.java:
package graphics;
public class Square implements Shape {
private double x;
private double y;
private double width;
private double height;
public Square(double x, double y, double width, double height) {
this.x = x;
this.y = y;
this.width = width;
this.height = height;
}
public Square(double x0, double y0, double x1, double y1) {
double xmin = x0x1 ? x1 : x0;
double ymin = y0y1 ? y1 : y0;
this.x = xmin;
this.y = ymin;
this.width = x0 + x1 - 2*xmin;
this.height = y0 + y1 - 2*ymin;
}
@Override
public double getArea() {
return this.width * this.height;
}
@Override
public double getPerimeter() {
return 2 * (this.width + this.height);
}
}
Java编程(写出程序代码)写了一个代码,代码如下,可以进行参考
public class sum {
public static void main(String[] args) {
//创建一个Scanner的对象input
Scanner input = new Scanner(System.in);
//提示用户输入数据
System.out.print("请输入一个整数");
//将输入的值赋给n
int n = input.nextInt();
//定义变量接收计算后的和
int sum = 0;
//利用循环进行求和
for (int i = 0; i = n; i++) {
sum+=i;
}
//输出最后的和
System.out.println("从0一直到"+n+"的所有整数的和是:"+sum);
}
}
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