Oracle Java SE 7 Programmer II - 1Z0-804 Exam Practice Test

A. Public class generator Implements IdGenerator {
Private AtomicInteger id = new AtomicInteger (0);
return id.incrementAndget();
}}

B. Public class Generator Implements IdGenerator {
private int id = 0;
public int getnextId() {
synchronized (id) {
return ++id;
}}}

C. Public class Generator Implements IdGenerator {
private int id = 0;
public int getNextId() {
synchronized (new Generator()) {
return ++id;
}}}

D. Public class Generator Implements idGenerator {
private int id = 0;
return ++id;
}}

E. Public class Generator Implements IdGenerator {
private volatile int Id = 0;
return ++Id;
}

A. System.out.format("We have %s%spants that cost $%s.\n",quantity, color, price);

B. String out = String.format ("We have %03d %s pants that cost $%3.2f.\n",quantity, color, price); System.out.println(out);

C. System.out.printf("We have %03d %s pants that cost $%3.2f.\n",quantity, color, price);

D. System.out.printf("We have$03d$s pants that cost $$3.2f.\n",quantity, color, price);

E. String out = System.out.format("We have %03d %s pants that cost $%3.2f.",quantity, color, price); System.out.println(out);

A. An exception is thrown at runtime

B. Compilation fails due to an error on line 7

C. 6

D. 5

E. Compilation fails due to an error on line 6

A. The program prints Error

B. The program prints employee IDs

C. The program prints customer IDs

D. Compilation fails on line ***

A. 1 2 3 4 5

B. 1 1 1 1 1

C. 0 1 4 3 4

D. 0 1 2 3 4

A. Use the java.lang.class.forName method to load the driver class.

B. Add the driver class to the META-INF/services folder of the JAR file.

C. Include the JDBC driver class in a jdbcproperties file.

D. Use the DriverManager.getDriver method to load the driver class.

E. Set the driver class name by using the jdbc.drivers system property.

A. A

B. B

C. E

D. D

E. C

A. An exception is thrown at runtime

B. George Washington John Adams Thomas Jefferson

C. Thomas Jefferson John Adams George Washington

D. Compilation fails

E. John Adams George Washington Thomas Jefferson

A. Two new threads of exclusion are started within the main method

B. No output is produced

C. One new thread of execution is started within the main method

D. Runnable is printed

E. Thread is printed

F. No new threads of execution are started within the main method