现有:classOutput{publicstaticvoidmain(String[]args){inti=5:System.out.print("4"+i+"");System.out.print(i+5+"7");System.out.println(i+"8");}}结果为:()

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?()

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

现有:1.importjava.util.*;2.3.ClassFindStuff{4.publicstaticvoidmain(String[]args){5 //insertcodehere6.c.put("X" 123);7.}8.}分别插入到第5行 哪三行允许代码编译?()

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

现有:classTop{staticintx=l;publicTop(inty){x*=3;}}classMiddleextendsTop{publicMiddle(){x+=1;)publicstaticvoidmain(String[]args){Middlem=newMiddle();System.out.println(x);}}结果为:()