如题所述
import java.util.Random;
import java.util.Scanner;
public class Hello {
public static void main(String[] args)
{
Scanner scnner=new Scanner(System.in);
Random random=new Random();
int n=scnner.nextInt();
int a[][]=new int[n][n];
for(int i=0;i<n;++i)
for(int j=0;j<n;++j)
{
a[i][j]=random.nextInt(n);//随机产生0~n-1的随机数
}
for(int i=0;i<n;++i)
{
for(int j=0;j<n;++j)
{
System.out.print(a[i][j]+" ");
}
System.out.println();
}
}
}
import java.util.Scanner;
public class Hello {
public static void main(String[] args)
{
Scanner scnner=new Scanner(System.in);
Random random=new Random();
int n=scnner.nextInt();
int a[][]=new int[n][n];
for(int i=0;i<n;++i)
for(int j=0;j<n;++j)
{
a[i][j]=random.nextInt(n);//随机产生0~n-1的随机数
}
for(int i=0;i<n;++i)
{
for(int j=0;j<n;++j)
{
System.out.print(a[i][j]+" ");
}
System.out.println();
}
}
}
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第1个回答 2016-05-09
public static void main(String[] args) {
int a[][] = new int[6][5];
for (int i = 0; i < a.length; i++) {
for (int j = 0; j < a[i].length; j++) {
a[i][j] = new Random().nextInt(10);
}
}
for (int i = 0; i < a.length; i++) {
for (int j = 0; j < a[i].length; j++) {
System.out.print(a[i][j] + "\t");
}
System.out.println();
}
}追问
int a[][] = new int[6][5];
for (int i = 0; i < a.length; i++) {
for (int j = 0; j < a[i].length; j++) {
a[i][j] = new Random().nextInt(10);
}
}
for (int i = 0; i < a.length; i++) {
for (int j = 0; j < a[i].length; j++) {
System.out.print(a[i][j] + "\t");
}
System.out.println();
}
}追问
这个代码扯淡的吧。。
本回答被网友采纳