题目内容
请写出下面程序的运行结果class A {public A() {System.out.print("1");}static { System.out.print("2"); }}class B extends A {public B() {System.out.print("3");}static { System.out.print("4"); }}public class test {public static void main(String[] args) {new B();}}
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请写出下面程序的运行结果class A {public static String staticGet() {return "1"; }public String dynamicGet() {return "2"; }}class B extends A {public static String staticGet() {return "3"; }public String dynamicGet() {return "4"; }}public class test {public static void main(String[] args) {A a = new B();System.out.print( a.staticGet() );System.out.print( a.dynamicGet() );}}
请写出下面程序的运行结果classMyExceptionextendsException{publicStringtoString(){return"negative";}}publicclassExceptionDemo{publicstaticfloatmySqrt(inta)throwsMyException{if(a<0)thrownewMyException();elsereturn Math.sqrt(a);}publicstaticvoidmain(Stringargs[]){try{mySqrt(-5);}catch(MyExceptione){System.out.println("Caught"+e);}}}
下面哪项不是文化对教育影响的( )。
首次提出“人力资本”理论的学者是 ( )
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