实际应用：
package java.lang;
public final class Boolean implements java.io.Serializable, Comparable<Boolean> {
public static final Boolean TRUE = new Boolean(true);
public static final Boolean FALSE = new Boolean(false);
....
private final boolean value;
....
public Boolean(boolean value) {
this.value = value;
}
....
public static Boolean valueOf(boolean b) {
return (b ? TRUE : FALSE);
}
....
}
构造器（Constructor）
https://docs.oracle.com/javase/specs/jls/se7/html/jls-8.html#jls-8.8
方法签名（method signature）
https://docs.oracle.com/javase/tutorial/java/javaOO/methods.html
基本类型和引用类型（PrimitiveType and ReferenceType）
https://docs.oracle.com/javase/specs/jls/se7/html/jls-4.html#jls-4.1
== 和 equals(Object obj)
https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html
标签：methods,jls,docs,constructors,html,factory,Boolean,static,public From： https://www.cnblogs.com/zno2/p/6622186.html