Which three will compile and run without exception？（）

A . list.add（"foo"）； B . Object o = list； C . String s = list.get（0）； D . list = new ArrayList

A . Change line 2 to：public int a； B . Change line 2 to：protected int a； C . Change line 13 to：public Sub（） { this（5）； } D . Change line 13 to：public Sub（） { super（5）； }

A . public int blipvert（int x）{return 0；} B . private int blipvert（int x）{return 0；} C . private int blipvert（long x）{return 0；} D . protected int blipvert（long x）{return 0；} E . protected long blipvert（long x）{return 0；} F . protected long blipvert（int x， int y）{return 0；}

A .  Change line 2 to： public int a； B .  Change line 2 to： protected int a； C .  Change line 13 to： public Sub（） { this（5）； } D .  Change line 13 to： public Sub（） { super（5）； } E .  Change line 13 to： public Sub（） { super（a）； }

A . A B . B C . C D . D

A . BFILE  B . REF column  C . Object table  D . Column object  E . INSTEAD-OF trigger

A . public int blipvert（int x） { return 0； } B . private int blipvert（int x） { return 0； } C . private int blipvert（long x） { return 0； } D . protected long blipvert（int x） { return 0； } E . protected int blipvert（long x） { return 0； } F . protected long blipvert（long x） { return 0； }

A .  private synchronized Object o； B .  void go（） { synchronized（） { /* code here */ } } C .  public synchronized void go（） { /* code here */ } D .  private synchronized（this） void go（） { /* code here */ } E .  void go（） { synchronized（Object.class） { /* code here */ } } F .  void go（） { Object o = new Object（）； synchronized（o） { /* code here */ } }

A .  Array2 = array1； B .  Array2 = array3； C .  Array2 = array4； D .  Both A and B E .  Both A and C F .  Both B and C

A . public void m1（）{} B . protected void m1（）{} C . private void m1（）{} D . void m2（）{} E . pubic void m2（）{} F . protected void m2（）{} G . private void m2（）{}

A .  Public float getNum（） {return 4.0f； } B .  Public void getNum （）{} C .  Public void getNum （double d）{} D .  Public double getNum （float d） {retrun 4.0f； }

A . super（name， baseSalary）； B . this.commission=commission； C . super（）；this.commission=commission； D . this.commission = commission；super（）； E . super（name， baseSalary）；this.commission=commission； F . this.commission=commission；super（name， baseSalary）； G . super（name， baseSalary， commission）；

A . at the beginning of every watch B . at the beginning of the first watch every day C . at the completion of every watch D . at noon every day

A .https://assets.asklib.com/images/image2/2018080114571513775.png B .https://assets.asklib.com/images/image2/2018080114572419714.png C .https://assets.asklib.com/images/image2/2018080114572972397.png D .https://assets.asklib.com/images/image2/2018080114573446084.png

A . The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar. B . The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar.. C . The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class. D . The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar. E . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac - cp /foo/myLib.jar/Paper Book.java. F . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac - classpath /foo/myLib.jar Book.java

A . private synchronized Object o； B . void go（） {synchronized（） { /* code here */ } C . public synchronized void go（） { /* code here */ } D . private synchronized（this） void go（） { /* code here */ } E . void go（） {synchronized（Object.class） { /* code here */ } F . void go（） {Object o = new Object（）；synchronized（o） { /* code here */ }

A . public void m1() { } B . protected void m1() { } C . private void m1() { } D . void m2() { } E . public void m2() { } F . protected void m2() { } G . private void m2() { }

A . Enable Signature Default B . Enable Engine Fail Closed C . Enable Default IOS Signature ActualTests.com D . Enable Fail Opened

A . On/On B . On/Auto C . Passive/Active D . Desirable/Auto E . Active/Active F . Desirable/Desirable

A . The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar. B . The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar.. C . The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class. D . The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar. E . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -cp /foo/myLib.jar/Paper Book.java. F . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -d /foo/myLib.jar Book.java G . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -classpath /foo/myLib.jar Book.java

A .  protected int blipvert（long x） { return 0； } B .  protected long blipvert（int x） { return 0； } C .  private int blipvert（long x） { return 0； } D .  private int blipvert（int x） { return 0； } E .  public int blipvert（int x） { return 0； } F .  protected long blipvert（long x） { return 0； } G .  protected long blipvert（int x， int y） { return 0； }

A . javac Mule.java B . javac -source 1.3 Mule.java C . javac -source 1.4 Mule.java D . javac -source 1.5 Mule.java

A . list.add（"foo"）； B . Object o = list； C . String s = list.get（0）； D . list = new ArrayList<String>（）； E . list = new ArrayList<Object>（）；

A . Change line 2 to：public int a； B . Change line 2 to：protected int a； C . Change line 13 to：public Sub（）{this（5）；} D . Change line 13 to：public Sub（）{super（5）；} E . Change line 13 to：public Sub（）{super（a）；}