public class Test{ public static void main(String[] args) {
int sum=0;int [] a=new int[3];
for (int i=0;i<3 ;i++ )
{
int c=(int)(Math.random()*10);
sum+=c;a[i]=c;
}
if (sum==18)
{
for (int j=0;j<a.length ;j++ )
{System.out.println(a[j]);
} }
else System.out.println("没有和为18的组");
}}
int sum=0;int [] a=new int[3];
for (int i=0;i<3 ;i++ )
{
int c=(int)(Math.random()*10);
sum+=c;a[i]=c;
}
if (sum==18)
{
for (int j=0;j<a.length ;j++ )
{System.out.println(a[j]);
} }
else System.out.println("没有和为18的组");
}}
更何况,三个数和等于固定值,也不叫随机了,而叫从满足条件的三个数中任意找一组出来!
private static int[] number={0,1,2,3,4,5,6,7,8,9};
public static void main(String[] arg){
int count =18;
if(arg.length>0){
count = Integer.parseInt(arg[0]);
}
for(int i=0;i<=9;i++){
for(int j=i+1;j<=9;j++){
for(int m=j+1;m<=9;m++){
if((i+j+m)==count){
System.out.println(count+"="+i+"+"+j+"+"+m);
}
}
}
}
}
}
private static int[] number={0,1,2,3,4,5,6,7,8,9}; public static void main(String[] arg){
int count =18; if(arg.length >0){
count = Integer.parseInt(arg[0]);
}
for(int i=0;i <=9;i++){
for(int j=i+1;j <=9;j++){
for(int m=j+1;m <=9;m++){
if((i+j+m)==count){
System.out.println(count+"="+i+"+"+j+"+"+m);
break;
}
}
}
}
} }