下列哪个工具可以编译java源文件?
A. javac
B. JDK
C. javadoc
D. junit
现有:publicclassTest{staticfinalintx=5;publicstaticvoidmain(string[] args) {newTest().go(x);}voidgo(intx){System.out.print(x++);System.out.println(x);}}
A. 55
B. 56
C. 65
D. 66
现有:classWrench{publicstaticvoidmain(String[]args){Wrenchw=newWrench();Wrenchw2=newWrench();w2=go(w,w2);System.out.print(w2==w);}staticWrenchgo(Wrenchwrl,Wrenchwr2){Wrenchwr3=wrl;wrl=wr2;wr2=wr3;returnwr3;}}结果是什么?
A. false
B. true
C. 编译失败
D. 运行的时候有异常抛出
现有:classWrench2{intsize;publicstaticvoidmain(String[]args){Wrench2w=newWrench2();w.size=11;Wrench2w2=go(w,w.size);System.out.print(w2.size);)staticWrench2go(Wrench2wr,ints){s=12;returnwr;}}结果为:
A. 11
B. 12
C. 编译失败
D. 运行时异常被抛出