单项选择题
A.KNNB.K-MEANS C.GBDTD.xgboost
A.0.6B.0.75C.0.7D.0.5
以下程序的运行结果是:()public class Increment{public static void main(String args[]) {int a;a = 6;System.out.print(a);System.out.print(a++);System.out.print(a);}}
A.666B.667C.677D.676
Java中,在如下所示的Test类中,共有()个构造方法。public class Test{private int x;public Test(){x=35;}public void Test(double f){This.x=(int)f;}public Test(String s){}}
A.0B.1C.2D.3
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