package foo； import java.util.Vector； private class MyVector extends Vector { int i = 1； public MyVector（） { i = 2； } } public class MyNewVector extends MyVector { public MyNewVector （） { i = 4； } public static void main （String args ） { MyVector v = new MyNewVector（）； } } The file MyNewVector.java is shown in the exhibit. What is the result？（） [" Compilation will succeed."," Compilation will fail at line 5."," Compilation will fail at line 6."," Compilation will fail at line 14."," Compilation will fail at line 17."]
“三大诉讼”证明的差异有哪些？
起升机构的制动器必须是（）式的。 ["常开","常闭"]
创新人才培养模式，弘扬科学精神，应该营造（）的创新文化。 ["鼓励创新","人尽其才","宽容失败","才尽其用"]
public class Test { public static void main （Stringargs） { String foo = args[1]； String bar = args； String baz = args； System.out.printIn（“baz = ” + baz）； } } And the output： Baz = 2 Which command line invocation will produce the output？（） [" Java Test 2222"," Java Test 1 2 3 4"," Java Test 4 2 4 2"," Java Test 4 3 2 1"]
收集证据的原则有哪些？
