CS 151 Sections 1 - 5

Which JDK command is correct to run a Java application in ByteCode.class?

What will be displayed? int number = 6;while (number > 0) {number -= 3;System.out.print(number + " ");}

Which of the following are correct ways to declare variables?

Which of the following are the reserved words?

Which of the following is true about a while loop?

Which of the following statements are true?

What is x after the following statements? int x = 2;int y = 1;x *= y + 1;

How many times will print?int count = 0;do { System.out.println("Welcome to Java");} while (count++ < 10);

Java compiler translates Java source code into ________.

The loop condition of a while loop is reevaluated before every iteration of the loop.

________ is the Java assignment operator.

Due to security reasons, Java ________ cannot run from a Web browser in the new version of Java.

________ is the physical aspect of the computer that can be seen.

If the while expression becomes false in the middle of the while loop body, the loop terminates immediately.

Because a do...while loop is a post-test loop, the body of the loop may not execute at all.

-24 % 5 is ________.

output? int x = 0;while (x < 4) {x = x + 1;}System.out.println("x is " + x);

What is the value of the following expression?true || true && false

_____ is a technical definition of the language that includes the syntax and semantics of the Java programming language.

A block is enclosed inside ________.

Output? int num = 15;while (num > 0)      num = num - 3;System.out.println(num);

The main method header is written as ________.

________ contains predefined classes and interfaces for developing Java programs.

Like a do...while loop, the body of a while loop executes at least once.

Which of the following code displays the area of a circle if the radius is positive?

Programming style is important, because ________.

Which of the following is not permanent storage devices?

The speed of the CPU may be measured in ________.

Suppose x=10 and y=10. What is x after evaluating the expression (y >= 10) || (x++ > 10)?

In the case of an infinite while loop, the while expression (that is, the loop condition) is always true.

Are these the same? (I): for (int i = 0; i &lt; 10; ++i) {sum += i;}(II): for (int i = 0; i < 10; i++) {sum += i;}

if isPrime is a boolean variable, which is the correct and best statement for testing if isPrime is true?

-25 % 5 is ________.

In the case of the sentinel-controlled while loop, the first item is read before the while loop is entered.

Scanner input = new Scanner(System.in);int i = input.nextInt();double d = input.nextDouble();correct way to enter 2 num?

How many times print "Welcome"?int count = 0;do { System.out.println("Welcome");} while (++count < 10);

Analyze the program fragment:int x;double d = 1.5;switch (d) {case 1.0: x = 1;case 1.5: x = 2;case 2.0: x = 3;}

A loop is a control structure causes certain statements to be executed over and over until certain conditions are met.

Control variables are automatically initialized in a loop.

Which of the following lines are not a Java comment?

To assign a double variable d to a float variable x, you write ________.

________ translates high-level language program into machine language program.

Analyze the following fragment: double sum = 0;double d = 0;while (d != 10.0) {d += 0.1;sum += sum + d;}

sum?int sum = 0;int item = 0;do { item++; sum += item; if (sum &gt; 4) break;}while (item < 5);

A counter-controlled loop is used when the exact number of data entries is known.

Which of the following operators is right-associative.

int x = 27;int y = 10;do    x = x / 3;while (x >= y);How many times does the statement above execute?

What is the output of the following code?int x = 0;if (x < 4) {x = x + 1;}System.out.println("x is " + x);

The expression (int)(76.0252175 ∗ 100) / 100 evaluates to ________.

After a break statement executes, the program continues to execute with the first statement after the structure.

To declare an int variable number with initial value 2, you write ________.

__ provides an integrated dev environment (IDE) for developing Java programs. Editing, compiling, building, debugging,

The order of the precedence (from high to low) of the operators binary +, *, &&, ||, ^ is:

Every letter in a Java keyword is in lowercase.

Which of the following loops prints "Welcome to Java" 10 times? for(int count = 1;

Which of the following statements are the same?(A) x -= x + 4(B) x = x + 4 - x(C) x = x - (x + 4)

A loop that continues to execute endlessly is called an endless loop.

Loop control variables are automatically initialized in a loop.

How many times executed?for (int i = 0; i < 10; i++)  for (int j = 0; j < 10; j++)     System.out.println(i * j);

The ________ method immediately terminates the program.

Computer can execute the code in ________.

If you attempt to add an int, a byte, a long, and a double, the result will be a(n) ________ value.

int x = 27;int y = 10;do    x = x / 3;while (x >= y);If y = 0, how many times would the loop above execute?

Which of the following does not have an entry condition?

When assigning a literal to a var of the byte type, if the literal is too large to be stored as a byte value, it ______.

output is: 2 3 4 5 6. n = 2;while (n >= 6) { System.out.print(n+""); n++} System.out.println();

public class Test1 {public static void main(String[] args) {int x = 1;int y = x = x + 1;System.out.print("y is " + y);}}

The JDK command to compile a class in the file Test.java is ________.

Analyze the following code:if (x < 100) && (x > 10)System.out.println("x is between 10 and 100");

Which of the following expressions results in a value 1?

how mant times will it print? int count = 0;while (count &lt; 10) {System.out.println("hi");count++;}

output?int count;int num = 2;for (count = 1; count &lt; 2; count++){ num = num + 3; System.out.println();

The output is 32.num = 10;while (num &lt;= 32) num = num + 5; System,out.println(num);

public class Test {public static void main(String[] args) {int j = 0;int i = j++ + j * 5;System.out.println("i" + i); }}

Which of the following statements is correct?

Analyze the following code.boolean even = false;if (even) {System.out.println("It is even!");}

To add number to sum, you write ________. (Note: Java is case-sensitive.)

The equal comparison operator in Java is ________.

Which of the following are constants, according to Java naming conventions?

Suppose x=10 and y=10. What is x after evaluating the expression (y >= 10) || (x-- > 10)?

The "less than or equal to" comparison operator in Java is ________.

________ is a software that interprets Java bytecode.

The following loop displays ________.for (int i = 1; i <= 10; i++) { System.out.print(i + " "); i++;}

What is the value of (double)5/2?

How many times will it say print? int count = 0;while (count++ < 10) {System.out.println("Welcome to Java");}

Given |x - 2| <= 4, which of the following is true?

A counter-controlled loop is used when the exact number of data entries is known.

Is the following loop correct?for ( ; ; );

Will the following program terminate? int balance = 10;while (true) {if (balance < 9)break;balance = balance - 9;}

If a contin sttmnt is placed in a do..while strctre, loop-contin test is evaluated immediately after the contin sttmnt.

Suppose a Scanner obj is created:Scanner input = new Scanner(System.in);What method do you use to read a real num?

If a program compiles fine, but it produces incorrect result, then the program suffers ________.

A loop is a control structure that causes certain statements to be continuously exectd until certain conditions are met.

Which of the following expressions results in 45.37?