Public class test ( Public static void main (String args[]) ( System.out.printIn (6 ^ 3); ) ) What is the output?()
第1题:
What will be written to the standard output when the following program is run?() public class Qd803 { public static void main(String args[]) { String word = "restructure"; System.out.println(word.substring(2, 3)); } }
第2题:
public class Test { public static void main(String[] args) { String str = NULL; System.out.println(str); } } What is the result?()
第3题:
public class Test { public static void leftshift(int i, int j) { i<<=j; } public static void main(String args[]) { int i = 4, j = 2; leftshift(i, j); System.out.printIn(i); } } What is the result?()
第4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.printIn(j); ] } What is the result?()
第5题:
Public class test ( Public static void stringReplace (String text) ( Text = text.replace (‘j’ , ‘i’); ) public static void bufferReplace (StringBuffer text) ( text = text.append (“C”) ) public static void main (String args[]} ( String textString = new String (“java”); StringBuffer text BufferString = new StringBuffer (“java”); stringReplace (textString); bufferReplace (textBuffer); System.out.printLn (textString + textBuffer); ) ) What is the output?()
第6题:
public class IfTest ( public static void main(string[]args) { int x = 3; int y = 1; if (x = y) system.out.printIn(“Not equal”); else system.out.printIn(“Equal”); } ) What is the result?()
第7题:
import java.io.IOException; public class ExceptionTest( public static void main (String[]args) try ( methodA(); ) catch (IOException e) ( system.out.printIn(“Caught IOException”); ) catch (Exception e) ( system.out.printIn(“Caught Exception”); ) ) public void methodA () { throw new IOException (); } What is the result?()
第8题:
第9题:
Java Test 2222
Java Test 1 2 3 4
Java Test 4 2 4 2
Java Test 4 3 2 1
第10题:
NULL
Compilation fails.
The code runs with no output.
An exception is thrown at runtime.
第11题:
第12题:
finished
Compilation fails.
An AssertionError is thrown.
An AssertionError is thrown and finished is output.
第13题:
Public class test ( Public static void stringReplace (String text) ( Text = text.replace („j„ , „i„); ) public static void bufferReplace (StringBuffer text) ( text = text.append (“C”) ) public static void main (String args ){ String textString = new String (“java”); StringBuffer text BufferString = new StringBuffer (“java”); stringReplace (textString); BufferReplace (textBuffer); System.out.printIn (textString + textBuffer); } ) What is the output?()
第14题:
public class Test { public static void main( String[] args) { String foo = args[1]; String bar = args[2]; String baz = args[3]; System.out.println(“baz = “ + baz); } } And the command line invocation: java Test red green blue What is the result?()
第15题:
public class Test { public static void main (String[]args) { String foo = args[1]; String bar = args[2]; String baz = args[3]; System.out.printIn(“baz = ” + baz); } } And the output: Baz = 2 Which command line invocation will produce the output?()
第16题:
public class X { public static void main (String[]args) { string s = new string (“Hello”); modify(s); System.out.printIn(s); } public static void modify (String s) { s += “world!”; } } What is the result?()
第17题:
public class Test { public static void replaceJ(string text) { text.replace (‘j’, ‘l’); } public static void main(String args[]) { string text = new String (“java”) replaceJ(text); system.out.printIn(text); } } What is the result?()
第18题:
public class Test { public static void main(String[] args) { int x = 0; assert (x > 0): “assertion failed”; System.out.println(“finished”); } } What is the result?()
第19题:
第20题:
The output is “Equal”
The output in “Not Equal”
An error at line 5 causes compilation to fall.
The program executes but does not print a message.
第21题:
est
es
str
st
s
第22题:
2
4
8
16
The code will not compile.
第23题:
An exception is thrown.
The code will not compile.
The program prints “null”
The program prints “blue”
The program prints “green”