java获取随机数之一

//获取长度为6的随机字符串

public class TestDemo01 {

public static void main(String args[]){

String str ="";

for(int i = 0;i<6;i++){

int number = (int)(Math.random()*26+97);

str = str+(char)number;

}

System.out.println(str);

}

}

//获取长度为6的随机字符串
public class TestDemo01 {
public  static void main(String args[]){
String str ="";
for(int i = 0;i<6;i++){
int number = (int)(Math.random()*26+97);
str = str+(char)number;
}
System.out.println(str);
}

}