现有:classFlow{publicstaticvoidmain(String[]args)try{System.out.print("before");

现有:classTestMain{staticintx=2;static{x=4;}publicstaticvoidmain(String...args){inty=x+1;System.out.println(y);}}和命令行:javaTestMain结果为:()

现有:classTestApp{publicstaticvoidmain(String[]args){for(inti=0;iif(i==3)break;System.out.print(i);}}}程序运行后的输出是哪项?()

classFlow{publicstaticvoidmain(String[]args){try{System.out.print("before");doRi

现有:classWrench2{intsize;publicstaticvoidmain(String[]args){Wrench2w=newWrench2();w.size=II;Wrench2w2=go(w w.size);System.out.print(w2.size);}staticWrench2go(Wrench2wr.ints){S=12;returnwr;}}结果为()

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

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