package day4
;
public class Random1
{
    public static void main(String
[] args
)
    {
        
        java
.util
.Random tools 
= new java.util.Random();
        
        int num 
= tools
.nextInt();
        System
.out
.println("随机整数:" + num
);
        double d 
= tools
.nextDouble();
        System
.out
.println("随机小数:" + d
);
        
        int rangeNum 
= tools
.nextInt(10); 
        System
.out
.println("随机整数:" + rangeNum
);
    }
}
                
                
                
        
    
 
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