packageHello;
publicclassBackup2{
publicstaticvoidmain(String[]arguments){
inti=(int)(Math.random()*12+1);
Stringstr="";
System.out.println(i);
Stringmonth[]=newString[]{"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
switch(i){
case1:str=month[0];break;
case2:str=month[1];break;
case3:str=month[2];break;
case4:str=month[3];break;
case5:str=month[4];break;
case6:str=month[5];break;
case7:str=month[6];break;
case8:str=month[7];break;
case9:str=month[8];break;
}
System.out.println(str);
}
}
扩展资料
利用Arrays带有的排序方法快速排序
import java.util.Arrays;
public class Test2{
public static void main(String[] args){
int[] a={5,4,2,4,9,1};
Arrays.sort(a); //进行排序
for(int i: a){
System.out.print(i);
}
}
}