(1) is a method of constructing a project schedule network diagram that uses boxes or rectangles, referred to as nodes, to represent activities and connects them with arrows that show the dependencies.This method includes following types of dependencies or precedence relationships: (2) the initiation of the successor activity, depends upon the completion ofthe predecessor activity.(3) the initiation ofthe successor activity, depends upon the initiation ofthe predecessor activity. 空白(3)处填()
第1题:
阅读下列代码段,选出该代码段的正确文件名( )。 class A { void method1() { System.out.println("method1 in class A"); } } public class B { void method2() { System.out.println("method2 in class B"); } public static void main(String args[]) { System.out.println("main in class B"); } }
A.A.java
B.A.class
C.B.class
D.B.java
第2题:
A、(1)和(2)删掉一个,错误解决
B、(3)删掉,错误解决
C、没问题
第3题:
A.method_1
B.method_2
C.method_3
D.method_4
第4题:
有一个接口定义如下,下列选项中实现了该接口并且不是抽象的是( )。interface A{ int method1 (int i); int method2 (int j);}
A.class B implements A{ int method1() { } int method2() { }}
B.class B{int method1(int i) { }int method2(int j) { }}
C.class B implements A{ int methodl(int i) { } int method2(intj) { }}
D.class B extends A{int method1(int i) { }int method2(int j) { }}
第5题:
给出下列的不完整的方法,则下列的哪个声明可以被加入①行完成此方法的声明? ① ② { success = connect( ); ③ if (success = = - 1 ) { ④ throw new TimedoutException( ) ⑤ } ⑥ }
A.public void method( )
B.public void method( ) throws Exception
C.public void method( ) throw TimedoutException
D.public throw TimedOutException void method( )
第6题:
A.class B implements A{ int method1(){} int method2(){} }
B.class B { int method1(int i){} int method2(int j){} }
C.class B implements A{ int method1(int i){} int method2(int j){} }
D.class B extends A{ int method1(int i){} int method2(int j){} }
第7题:
有一个接口定义如下: interface A { int method1(int i); int method2(int j);}那么下面各项中实现了该接口并且不是抽象类的是( )。
A.class B implements A { intmethod1(){} intmethod2(){} }
B.calss B { int method1(int i){) int method2(int j){} }
C.class B implementsA { int method1(int i){} int method2(int j){} }
D.class B extendsA { int method1(int i){} int method2(int j){} }
第8题:
A.method_1
B.method_2
C.method_3
D.method_4
第9题:
给出下列的不完整的方法,则哪个声明可以被加入①行完成此方法的声明?( ) ① ② {success=connect(); ③ if(success==-1){ ④ throw new TimedOutException(); ⑤ } ⑥ }
A.public void method()
B.public void method()throws Exception
C.public void method()throw TimedOutException
D.public throw TimedOutException void method()
第10题:
有一个接口定义如下,下列选项中实现了该接口并且不是抽象的是 interface A { int method1 (int i); int method2 (int j); }
A.class B implements A { int method1(){} int method2(){} }
B.class B { int method1(int i){} int method2(int j){} }
C.class B implements A { int method1(int 1){} int method2(int j){} }
D.class B extends A { int method1(int i){} int method2(int j){} }