单项选择题
//point X
public class foo {
public static void main （String[]args） throws Exception {
java.io.printWriter out = new java.io.PrintWriter {
new java.io.outputStreamWriter （System.out）， true；
out.printIn（“Hello”）；
}
}
}
Which statement at PointX on line 1 allows this code to compile and run？（）
A. Import java.io.*；
B. Include java.io.*；
C. Import java.io.PrintWriter；
D. Include java.io.PrintWriter；
E. No statement is needed.
相关考题
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单项选择题
public class Foo { public void main （String [] args） { system.out.printIn（“Hello World.”）； } } What is the result？（）
A. An exception is thrown.
B. The code does no compile.
C. “Hello World.” Is printed to the terminal.
D. The program exits without printing anything. -
单项选择题
1. public class Test { 2. public static void main （String []args） { 3. unsigned byte b = 0； 4. b--； 5. 6. } 7. } What is the value of b at line 5？（）
A. -1
B. 255
C. 127
D. Compilation will fail.
E. Compilation will succeed but the program will throw an exception at line 4. -
单项选择题
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？（）
A. The program prints “lava”
B. The program prints “java”
C. An error at line 7 causes compilation to fail.
D. Compilation succeeds but the program throws an exception.
