Was sind die acht grundlegenden Datentypen in Java?

package com.ce.test;

class Test {
    static byte b;
    static short s;
    static int i;
    static long l;
    static float f;
    static double d;
    static char c;
    static boolean bo;

    public static void main(String[] args) {

      System.out.println("byte的大小："+Byte.SIZE
              +";默认值："+b
              +";数据范围："+Byte.MIN_VALUE+" - "+Byte.MAX_VALUE);

      System.out.println("short的大小："+Short.SIZE
              +";默认值："+s
              +";数据范围："+Short.MIN_VALUE+" - "+Short.MAX_VALUE);

      System.out.println("int的大小："+Integer.SIZE
              +";默认值："+i
              +";数据范围："+Integer.MIN_VALUE+" - "+Integer.MAX_VALUE);

      System.out.println("long的大小："+Long.SIZE
              +";默认值："+l
              +";数据范围："+Long.MIN_VALUE+" - "+Long.MAX_VALUE);

      System.out.println("float的大小："+Float.SIZE
              +";默认值："+f
              +";数据范围："+Float.MIN_VALUE+" - "+Float.MAX_VALUE);

      System.out.println("double的大小："+Double.SIZE
              +";默认值："+d
              +";数据范围："+Double.MIN_VALUE+" - "+Double.MAX_VALUE);

      System.out.println("char的大小："+Character.SIZE
              +";默认值："+c
              +";数据范围："+Character.MIN_VALUE+" - "+Character.MAX_VALUE);

      System.out.println("boolean的大小："+Byte.SIZE
              +";默认值："+bo
              +";数据范围："+Byte.MIN_VALUE+" - "+Byte.MAX_VALUE);

    }
}