单项选择题
A. Abstract public void methoda();
B. Public abstract double methoda();
C. Static void methoda(double d1){}
D. Public native double methoda() {}
E. Protected void methoda(double d1) {}
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?()
单项选择题 public class Foo { public void main (String [] args) { system.out.printIn(“Hello World.”); } } What is the result?()
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?()