Basic Java Programming Pre-test

Front

Which method is used to print Hello World in Java?

Back

System.out.println("Hello World");

Front

How to create a variable with the numeric value 5? Options: x = 5;, num x = 5, float x = 5;, int x = 5;

Back

int x = 5;

Front

Which of these statements about Data Types is FALSE?
int stores whole numbers,
double stores fractional numbers,
boolean stores true or false values,
char store a sequence of characters

Back

char store a sequence of characters

Front

Which library is used to receive input?

Back

java.util.Scanner;

Front

What is the correct way of using if conditions in Java? Options: if (x = 10), if (x == 10), if (x === 10), if (x != 10)

Back

if (x == 10)

Front

What is the correct way to start a while loop in Java? Options: while x > y {, while (x > y), while x > y:, x > y while {

Back

while (x > y)

Front

Which is the correct way of using a For Loop? Options: for (int i==0;i<10;i++), for (m=10;m>10;m--), for (j<1;j=10;j++), for (int k==0;i<=10;i--), for (int l++;l=1;l<10)

Back

for (m=10;m>10;m--)

Front

Which of these code is used to declare an array? Options: int[] array = new int[5];, int array[5];, int array[] = new array[5], int array[5] = new int(), int array = new Array(5)

Back

int[] array = new int[5];

Front

How to set the 5th index of an array with the value 3?

Back

array[5] = 3;

Front

Which code is the correct way to print an array? Options: for (i=0;i<array.length;i++) System.out.println(array[i]);, for (int i=0;i<array.length;i++) System.out.println(array);, for (int i=0;i<array.length();j++) System.out.println(array[j]);, for (int i=0;i<array.length();i++) System.out.println(array);

Back

for (i=0;i<array.length;i++) System.out.println(array[i]);