black

Java认证考试综合练习

登录

单项选择题

public void testIfA(){
if(testIfB("True")){
System.out.println("True");
}else{
System.out.println("Nottrue");
}
}
public Boolean testIfB(Stringstr){
return Boolean.valueOf(str);
}
What is the result when method testIfA is invoked?()

A.True
B.Nottrue
C.Anexceptionisthrownatruntime.
D.Compilationfailsbecauseofanerroratline12.
E.Compilationfailsbecauseofanerroratline19.

相关考题

单项选择题 public class ClassA{ public int getValue(){ int value=0; boolean setting=true; String title="Hello"; if(value||(setting && title=="Hello")){return 1;} if(value==1&title.equals("Hello")){return 2;} } } And: ClassA a=new ClassA(); a.getValue(); What is the result?()

单项选择题 public class Test{ public static void main(String[]args){ intx=5; boolean b1=true; boolean b2=false; if((x==4)&&!b2) System.out.print("l"); System.out.print("2"); if((b2=true)&&b1) System.out.print("3"); } } What is the result?()

多项选择题 35.String #name="Jane Doe";36.int$age=24;37.Double_height=123.5;38.double~temp=37.5;Which two are true?()

All Rights Reserved 版权所有©PP题库网库(pptiku.com)

备案号:湘ICP备14005140号-5

经营许可证号:湘B2-20140064