import java.util.random |
public class RandomTest |
{ |
public static void main ( String[] args ) |
{ |
Random random= new Random(); //创建random对象 |
int intNumber=random.nextInt(); //获取一个整型数 |
float floatNumber=random.nextFloat(); //获取一个浮点数(0-1) |
double doubleNumber=random.nextDouble(); //获取双精度数(0-1) |
boolean booleanNumber=random.nextBoolean(); //获取boolean数 |
System.out.println ( "intNumber:" +intNumber ); |
System.out.println ( "floatNumber:" +floatNumber ); |
System.out.println ( "doubleNumber:" +doubleNumber ); |
System.out.println ( "booleanNumber:" +booleanNumber ); |
} |
} |