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
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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?()
A.1
B.2
C.Compilation fails.
D.The code runs with no output.
E.An exception is thrown at runtime. -
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?()
A.2
B.3
C.12
D.23
E.123
F.Compilation fails.
G.An exceptional ist hrown at runtime. -
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?()
A.Line 35 will not compile.
B.Line 36 will not compile.
C.Line 37 will not compile.
D.Line 38 will not compile.
