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单选题
Given: 11.String test = "Test A. Test B. Test C."; 12.// insert code here 13.String[] result = test.split(regex); Which regular expression, inserted at line 12,correctly splits test into "Test A","Test B",and "Test C"?()
A
String regex = ;
B
String regex = ;
C
String regex = .*;
D
String regex = //s;
E
String regex = //.//s*;
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Stringtest=TestA.TestB.TestC.”;12.//insertcodehere13.String[]result=test.split(regex);Whichregularexpressioninsertedatline12willcorrectlysplittestintoTestA,”TestB,”andTestC”?()
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考题
Given:Which regular expression, inserted at line 12, correctly splits test into Test A, Test B, and Test C?()
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Given: 11. String test = "This is a test"; 12. String[] tokens = test.split("/s"); 13. System.out.println(tokens.length); What is the result?()A、 An exception is thrown at runtime.B、 1C、 4D、 Compilation fails.E、 0
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public class Test{ public static void main( String[] argv ){ // insert statement here } } Which statement, inserted at line 3, produces the following output?() Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3) A、 assert true;B、 assert false;C、 assert false : true;D、 assert false == true;E、 assert false: false;
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考题
11. String test = “Test A. Test B. Test C.”; 12. // insert code here 13. String[] result = test.split(regex); Which regular expression inserted at line 12 will correctly split test into “Test A,” “Test B,” and “Test C”?()A、 String regex = “”;B、 String regex = “ “;C、 String regex = “.*“.D、 String regex = “//s”E、 String regex = “//.//s*”;F、 String regex = “//w[ /.] +“;
考题
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考题
Given: 11.String test = "Test A. Test B. Test C."; 12.// insert code here 13.String[] result = test.split(regex); Which regular expression, inserted at line 12,correctly splits test into "Test A","Test B",and "Test C"?()A、String regex = "";B、String regex = " ";C、String regex = ".*";D、String regex = "//s";E、String regex = "//.//s*";
考题
单选题11. String test = “Test A. Test B. Test C.”; 12. // insert code here 13. String[] result = test.split(regex); Which regular expression inserted at line 12 will correctly split test into “Test A,” “Test B,” and “Test C”?()A
String regex = “”;B
String regex = “ “;C
String regex = “.*“.D
String regex = “//s”E
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考题
单选题int index = 1; String [] test = new String[3]; String foo = test[index]; What is the result?()A
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Foo has the value nullC
An exception is thrownD
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考题
单选题Given: 11. String test = "This is a test"; 12. String[] tokens = test.split("/s"); 13. System.out.println(tokens.length); What is the result?()A
An exception is thrown at runtime.B
1C
4D
Compilation fails.E
0
考题
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考题
单选题Given: 11.String test = "This is a test"; 12.String[] tokens = test.split("/s"); 13.System.out.println(tokens.length); What is the result?()A
0B
1C
4D
Compilation fails.
考题
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assert true;B
assert false;C
assert false : true;D
assert false == true;E
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考题
单选题int index = 1; String test = new String; String foo = test[index]; What is the result?()A
Foo has the value “”B
Foo has the value nullC
An exception is thrownD
The code will not compile
考题
单选题Given: 11.String test = "Test A. Test B. Test C."; 12.// insert code here 13.String[] result = test.split(regex); Which regular expression, inserted at line 12,correctly splits test into "Test A","Test B",and "Test C"?()A
String regex = ;B
String regex = ;C
String regex = .*;D
String regex = //s;E
String regex = //.//s*;
考题
单选题11. String test = “This is a test”; 12. String[] tokens = test.split(”/s”); 13. System.out.println(tokens.length); What is the result?()A
0B
1C
4D
Compilation fails.E
An exception is thrown at runtime.
考题
单选题Given: 11.String test = "a1b2c3"; 12.String[] tokens = test.split("//d"); 13.for(String s: tokens) System.out.print(s + " "); What is the result?()A
a b cB
1 2 3C
a1b2c3D
a1 b2 c3
考题
单选题Consider the following class: class Test(int i) { void test(int i) { System.out.println(“I am an int.”); } void test(String s) { System.out.println(“I am a string.”); } public static void main(String args) { Test t=new Test(); char ch=“y”; t.test(ch); } } Which of the statements below is true?()A
Line 5 will not compile, because void methods cannot be overridden.B
Line 12 will not compile, because there is no version of test() that rakes a charargument.C
The code will compile but will throw an exception at line 12.D
The code will compile and produce the following output: I am an int.E
The code will compile and produce the following output: I am a String.
考题
单选题Given: Which regular expression, inserted at line 12, correctly splits test into "Test A", "Test B", and "Test C"?()A
String regex="";B
String regex=" .";C
String regex=".*";D
String regex="//s";E
String regex="//.//s*";F
String regex="//w[/.]+";
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