1Z0-853 試験問題を無料オンラインアクセス

Given:
11.
public class Commander {
12.
public static void main(String[] args) {
13.
String myProp = /* insert code here */
14.
System.out.println(myProp);
15.
}
16.
}
and the command line:
java -Dprop.custom=gobstopper Commander
Which two, placed on line 13, will produce the output gobstopper? (Choose two.)

• A.System.getProperty("prop.custom");
• B.System.load("prop.custom");
• C.System.property("prop.custom");
• D.System.getProperties().getProperty("prop.custom");
• E.System.getenv("prop.custom");

A developer is creating a class Book, that needs to access class Paper. The Paper class is
deployed in a JAR named myLib.jar. Which three, taken independently, will allow the developer to use the Paper class while compiling the Book class? (Choose three.)

• A.The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar.
• B.The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar.
• C.The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac classpath /foo/myLib.jar Book.java
• D.The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -cp /foo/myLib.jar/Paper Book.java.
• E.The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -d /foo/myLib.jar Book.java
• F.The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class.
• G.The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar..

Which two code fragments will execute the method doStuff() in a separate thread? (Choose two.)

• A.new Thread() { public void run() { doStuff(); } };
• B.new Thread() {
  public void start() { doStuff(); }
  }.run();
• C.new Thread(new Runnable() {
  public void run() { doStuff(); }
  }).run();
• D.new Thread() {
  public void run() { doStuff(); }
  }.start();
• E.new Thread() {
  public void start() { doStuff(); }
  };
• F.new Thread(new Runnable() {
  public void run() { doStuff(); }
  }).start();

Given
11.
public interface Status {
12.
/* insert code here */ int MY_VALUE = 10;
13.
}
Which three are valid on line 12? (Choose three.)

• A.protected
• B.final
• C.native
• D.private
• E.static
• F.abstract
• G.public

Given:
1.public class TestOne {
2.public static void main (String[] args) throws Exception {
3.Thread.sleep(3000);
4.System.out.println("sleep");
5.}
6.}
What is the result?

• A.Compilation fails.
• B.The code executes normally and prints "sleep".
• C.An exception is thrown at runtime.
• D.The code executes normally, but nothing is printed.