Java while loops

A while loop carries on as long as...

• The condition in the brackets is true

• The condition in the brackets is false

• i < 10

• the for loop has not ended

A while loop has the following format:

• while (condition)

  {

  ...

  }

• while

  {

  ...

  }

• continue while (condition)

  {

  ...

  }

• while [condition]

  [

  ...;

  ]

A condition in Javacould be any of the following:

• a >, <, ==, >=, <= relation

• str1.equals(str2)

• str1.equalsIgnoreCase(str2)

• str.length()

While loops are used when ...

• You are not sure how many times exactly a loop should iterate

• You want a loop to repeat while the condition is true

• You don't like for loops

• You don't like to wait for things

OUTPUT?

int i = 1;

while (i < 5) {

System.out.println("Hello");

i++;

}

• Hello

  Hello

  Hello

  Hello

  Hello

• Hello

  Hello

  Hello

  Hello

• Hello

  Hello

  Hello

• Hello

While loops are not really important or necessary in Java

• True

• False