classBeta{publicstaticvoidmain(String[]args){Integerx=newInteger(6)*7;if(x!=42){System.out.print(42”);}elseif(xSystem.out.println(less”);}else{System.out.print(done”);}}}结果是什么?()

对于如下代码 描述正确的是哪项?()classStudent{publicstaticvoidmain(String[]args){Studentstudent=newStudent();}}

对于如下代码 描述正确的是哪项?()classStudent{publicstaticvoidmain(String[]args){Studentstudent=newStudent();}}

现有importjava.io.PrintWriter;classDoFormat{publicstaticvoidmain(String[]args){intx=42;int

现有publicclassDemo{publicstaticvoidmain(String[]args){Listal=newArrayList();a1.add("

classTestApp{publicstaticvoidmain(String[]args){System.out.println(multiply(2 3 4 5));}pub

publicclassTestApp{publicstaticvoidmain(String[]args){try{inti=0;intj=1/i;Stringmyname=nul