Java中的八种基本数据类型

• boolean
• byte
• short
• int
• long
• float
• double
• char

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代码

public class Math {    // true 和 false    public static final boolean mBoolean = true;    // -128 到 127    public static final byte mByte = 0;    // -32768 到 32767    public static final short mShort = 0;    // -2147483648 到 2147483647    public static final int mInt = 0;    // -9223372036854775808 到 9223372036854775807    public static final long mLong = 0L;    // 2的-149次方 到 2的128次方-1    public static final float mFloat = 0F;    // 2的-1024次方 到 2的1024次方-1    public static final double mDouble = 0;    // 0 到 65535    public static final char mChar = 0;}