更多“正线 main line”相关问题
  • 第1题:

    FONST3000OSCAD线路输出端口是()。

    • A、LINE_O
    • B、LINE_I
    • C、MAIN_D
    • D、MAIN_A

    正确答案:A

  • 第2题:

    1) class Person { 2) public void printValue(int i, int j) {/*…*/ }    3) public void printValue(int i){/*...*/ }    4) } 5) public class Teacher extends Person {    6) public void printValue() {/*...*/ }    7) public void printValue(int i) {/*...*/}    8) public static void main(String args[]){    9) Person t = new Teacher();    10) t.printValue(10);   11) }    12) } Which method will the statement on line 10 call?()    

    • A、 on line 2
    • B、 on line 3
    • C、 on line 6
    • D、 on line 7

    正确答案:A,D

  • 第3题:

    主蒸汽管道破裂事故 main steam line break accident


    正确答案: 主蒸汽管道破裂造成大量蒸汽外喷的事故。

  • 第4题:

    Given the following code:     1) class Parent {     2) private String name;     3) public Parent(){}     4) }  5) public class Child extends Parent {     6) private String department;  7) public Child() {}  8) public String getValue(){ return name; }     9) public static void main(String arg[]) {     10) Parent p = new Parent();     11) }  12) }  Which line will cause error?()   

    • A、 line 3
    • B、 line 6
    • C、 line 7
    • D、 line 8
    • E、 line 10

    正确答案:D

  • 第5题:

    Which is the earliest line in the following code after which the object created on the line marked (0) will be a candidate for being garbage collected, assuming no compiler optimizations are done? ()  public class Q76a9 {   static String f() {   String a = "hello";   String b = "bye"; // (0)   String c = b + "!"; // (1)   String d = b;  b = a; // (2)   d = a; // (3)   return c; // (4)  }   public static void main(String args[]) {   String msg = f();   System.out.println(msg); // (5)   }   }  

    • A、The line marked (1).
    • B、The line marked (2).
    • C、The line marked (3).
    • D、The line marked (4).
    • E、The line marked (5).

    正确答案:C

  • 第6题:

    单选题
    A spanner is a ().
    A

    cross connection line between two main fire lines

    B

    special wrench for the couplings in a fire hose line

    C

    tackle rigged to support a fire hose

    D

    None of the above


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    () are generally formed in the frame of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing.
    A

    Doors

    B

    Aspirate gauzer

    C

    Coupling

    D

    Blind


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    1. public class Outer{  2. public void someOuterMethod() {  3. // Line 3  4. }  5. public class Inner{}  6. public static void main( String[]argv ) {  7. Outer o = new Outer();  8. // Line 8  9. }  10. }  Which instantiates an instance of Inner?()
    A

     new Inner(); // At line 3

    B

     new Inner(); // At line 8

    C

     new o.Inner(); // At line 8

    D

     new Outer.Inner(); // At line 8


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    Which is the earliest line in the following code after which the object created on the line marked (0) will be a candidate for being garbage collected, assuming no compiler optimizations are done? ()  public class Q76a9 {   static String f() {   String a = "hello";   String b = "bye"; // (0)   String c = b + "!"; // (1)   String d = b;  b = a; // (2)   d = a; // (3)   return c; // (4)  }   public static void main(String args[]) {   String msg = f();   System.out.println(msg); // (5)   }   }
    A

    The line marked (1).

    B

    The line marked (2).

    C

    The line marked (3).

    D

    The line marked (4).

    E

    The line marked (5).


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified by()
    A

    adjusting the position of the intermediate bearing

    B

    changing the position of the main engine installation

    C

    adjusting the center line of the propeller

    D

    changing the position of the thrust block


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    1. class Bar { }  1. class Test {  2. Bar doBar() {  3. Bar b = new Bar();  4. return b;  5. }  6. public static void main (String args[]) {  7. Test t = new Test();  8. Bar newBar = t.doBar();  9. System.out.println(“newBar”);  10. newBar = new Bar();  11. System.out.println(“finishing”);  12. }  13. } At what point is the Bar object, created on line 3, eligible for garbage collection?()
    A

     After line 8.

    B

     After line 10.

    C

     After line 4, when doBar() completes.

    D

     After line 11, when main() completes.


    正确答案: B
    解析: The correct answer is B. When a local object is returned, it is not yet available for garbage collection. For this reason, the object is only available for garbage collecting at line 10, where the only remaining reference to the object is replaced with an other object.

  • 第12题:

    名词解释题
    线路别疏解 untwine of main line

    正确答案: 各衔接线路引入枢纽或车站后,按衔接线路上行和下行方向共同使用到发线(场)接发列车而设置的进出站线路的疏解方式。
    解析: 暂无解析

  • 第13题:

    public class test (    public static void main (String args) {    int i = 0xFFFFFFF1;  int j = ~i;   }    )   What is the decimal value of j at line 5?()

    • A、 0
    • B、 1
    • C、 14
    • D、 –15
    • E、 An error at line 3 causes compilation to fail.
    • F、 An error at line 4 causes compilation to fail.

    正确答案:D

  • 第14题:

    线路别疏解 untwine of main line


    正确答案: 各衔接线路引入枢纽或车站后,按衔接线路上行和下行方向共同使用到发线(场)接发列车而设置的进出站线路的疏解方式。

  • 第15题:

    干线运输(Main-Line)


    正确答案: 指用大型集装箱船舶,在各设有集装箱码头的枢纽港之间载运集装箱的远距离(跨越海洋)运输。

  • 第16题:

    1. class Bar { }  1. class Test {  2. Bar doBar() {  3. Bar b = new Bar();  4. return b;  5. }  6. public static void main (String args[]) {  7. Test t = new Test();  8. Bar newBar = t.doBar();  9. System.out.println(“newBar”);  10. newBar = new Bar();  11. System.out.println(“finishing”);  12. }  13. } At what point is the Bar object, created on line 3, eligible for garbage collection?()  

    • A、 After line 8.
    • B、 After line 10.
    • C、 After line 4, when doBar() completes.
    • D、 After line 11, when main() completes.

    正确答案:B

  • 第17题:

    单选题
    Given the command line java Pass2 and: What is the result? ()
    A

     doStuff x = 6 main x = 6

    B

     Compilation fails.

    C

     doStuff x = 6 main x = 7

    D

     An exception is thrown at runtime.

    E

     doStuff x = 7 main x = 6

    F

     doStuff x = 7 main x = 7


    正确答案: D
    解析: 暂无解析

  • 第18题:

    名词解释题
    道岔主线 main line of turnout

    正确答案: 指单开道岔或三开道岔中的直线或其他道岔中主要方向的线路。
    解析: 暂无解析

  • 第19题:

    单选题
    ()is the main center-line structural member,running fore and aft along the bottom of a ship,sometimes referred to as the backbone.
    A

    Frame

    B

    Deckbeam

    C

    Stringer

    D

    Keel


    正确答案: A
    解析: 暂无解析

  • 第20题:

    问答题
    What is the three main step of using the QoS feature with MQC command line interface?

    正确答案: class-map,policy-map,service-policy。
    解析: 暂无解析

  • 第21题:

    单选题
    Given the following code:     1) class Parent {     2) private String name;     3) public Parent(){}     4) }  5) public class Child extends Parent {     6) private String department;  7) public Child() {}  8) public String getValue(){ return name; }     9) public static void main(String arg[]) {     10) Parent p = new Parent();     11) }  12) }  Which line will cause error?()
    A

     line 3

    B

     line 6

    C

     line 7

    D

     line 8

    E

     line 10


    正确答案: E
    解析: 第8行的getValue()试图访问父类的私有变量,错误。

  • 第22题:

    单选题
    A spanner is a().
    A

    cross connection line between two main fire lines

    B

    special wrench for tightening couplings in a fire hose line

    C

    tackle rigged to support a fire hose

    D

    None of the above


    正确答案: B
    解析: 暂无解析

  • 第23题:

    名词解释题
    正线 main line

    正确答案: 指由区间连接车站并贯穿或直股伸入车站的线路。
    解析: 暂无解析