A. float f = 1F; B. float f = 1.0.; C. float f = ‘1’; D. float f = “1”; E. float f = 1.0d;
// Point X public class foo { public static void main(String[] args) throws Exception { jave.io.PrintWriter out = new jave.io.PrintWriter( new jave.io.OutputStreamWriter(System.out), true); out.println(“Hello”); } } Which statement at Point X on line 1 is required to allow this code to compile?()
A. No statement is required. B. import jave.io.*; C. include java.io.*; D. import jave.io.PrintWriter; E. include java.io.PrintWriter;
ArraryList a = new ArrayList(); a.add(“Alpha”); a.add(“Bravo”): a.add(“Charlie”); a.add(“Delta”); Iterator iter = a.iterator(); Which two, added at line 17, print the names in the ArrayList in alphabetical order?()
A. for (int i=0; i< a.size(); i++) System.out.println(a.get(i))); B. for (int i=0; i< a.size(); i++) System.out.println(a[i]); C. while( iter.hasNext() ) System.out.println(iter.next()) ; D. for (int i=0, i< a.size(); i++) System.out.println(iter[i]); E. for (int i=0; i< a.size(); i++) System.out.println(iter.get(i));