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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
0
B
1
C
4
D
Compilation fails.
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Given:11.Stringtest=Thisisatest;12.String[]tokens=test.split(\s);13.System.out.println(tokens.length);Whatistheresult?()
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Given:11.Stringtest=a1b2c3;12.String[]tokens=test.split(\\d);13.for(Strings:tokens)System.out.print(s+);Whatistheresult?()
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public class Test { public static void main(String [] args) { boolean assert = true; if(assert) { System.out.println(”assert is true”); } } } Given: javac -source 1.3 Test.java What is the result?() A、 Compilation fails.B、 Compilation succeeds with errors.C、 Compilation succeeds with warnings.D、 Compilation succeeds without warnings or errors.
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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 c3E、 Compilation fails.F、 The code runs with no output.G、 An exception is thrown at runtime.
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package test1; public class Test1 { static int x = 42; } package test2; public class Test2 extends test1.Test1 { public static void main(String[] args) { System.out.println(“x = “ + x); } } What is the result?() A、 x = 0B、 x = 42C、 Compilation fails because of an error in line 2 of class Test2.D、 Compilation fails because of an error in line 3 of class Test1.E、 Compilation fails because of an error in line 4 of class Test2.
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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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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
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public class test( public int aMethod()[ static int i=0; i++; return I; ) public static void main (String args){ test test = new test(); test.aMethod(); int j = test.aMethod(); System.out.printIn(j); ] } What is the result?()A、 Compilation will fail.B、 Compilation will succeed and the program will print “0”C、 Compilation will succeed and the program will print “1”D、 Compilation will succeed and the program will print “2”
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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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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
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String regex = “//.//s*”;F
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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
单选题public class Test { public int aMethod() { static int i = 0; i++; return i; } public static void main (String args[]) { Test test = new Test(); test.aMethod(); int j = test.aMethod(); System.out.println(j); } } What is the result?()A
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单选题package test1; public class Test1 { static int x = 42; } package test2; public class Test2 extends test1.Test1 { public static void main(String[] args) { System.out.println(“x = “ + x); } } What is the result?()A
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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
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Compilation fails.B
Compilation succeeds with errors.C
Compilation succeeds with warnings.D
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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*;
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 c3E
Compilation fails.F
The code runs with no output.G
An exception is thrown at runtime.
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