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Primitives and Arrays

Primitives and Arrays

Learn about Java primitives and arrays.

Primitives

Primitive types in Java refer to different ways to store numbers:

  • char: A single character, such as “A” (the letter A).
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public class main {
  public static void main(String[] args) {
    char hello = 'A';
    System.out.println(hello);
  }
}
  • byte: A number from -128 to 127 (8 bits). This is typically a way to store or transmit raw data.
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public class main {
  public static void main(String[] args) {
    byte num = 100;
    System.out.println(num);
  }
}
  • short: A 16-bit signed integer. It has a maximum value of around 32,000, precisely 32,767.
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public class main {
  public static void main(String[] args) {
    short num = 32212;
    System.out.println(num);
  }
}
  • int: A 32-bit signed integer. Its maximum is around
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