publicbooleanequals(Object anObject){if(this==anObject){returntrue;}if(anObjectinstanceofString){String anotherString=(String)anObject;int n=value.length;if(n==anotherString.value.length){char v1[]=value;char v2
屏障@Stable注解是JDK内部使用的注解,它修饰的字段和final字段行为类似,都只能赋值一次,且虚拟机都在方法退出节点插入了内存屏障。 对于一些行为确定的字段(如String的value)添加@Stable字段相当于告知虚拟机该字段是常量,这样可以使编译器发现更多的优化机会。 do_exits()只表示其中一个小细节,do_all_blocks()才是真...
Set子接口：排序子类、HashSet与hashCode（）和equals的关系；— Hashset：重复的判断依靠的是hashcode（...
The icon to display in the dialog. Object[] options Generally used to specify the string displayed by each button at the bottom of the dialog. See Customizing Button Text in a Standard Dialog for more information. Can also be used to specify icons to be displayed by the buttons or non-bu...
toJSONString(frame.operandStack().getSlots())); //exec inst.execute(frame); } } private static String byteToHexString(byte[] codes) { StringBuilder sb = new StringBuilder(); sb.append("0x"); for (byte b : codes) { int value = b & 0xFF; String strHex = Integer.toHexString(value)...
static EngineClassName getInstance(String algorithm) throws NoSuchAlgorithmException static EngineClassName getInstance(String algorithm, String provider) throws NoSuchAlgorithmException, NoSuchProviderException static EngineClassName getInstance(String algorithm, Provider provider) throws NoSuchAlgorithmException ...
Copy Copied to Clipboard Error: Could not Copy import java.io.*; import java.util.*; import java.util.concurrent.*; public class WordCounter { String[] wordsIn(String line) { return line.trim().split("(\\s|\\p{Punct})+"); } Long occurrencesCount(Document document, String searchedWor...
这种“看透class”的能力（the ability of the program to examine itself）被称为introspection（内省、内观、反省）。Reflection和introspection是常被并提的两个术语。——百度百科 ThreadLocal publicTget() { Threadt=Thread.currentThread(); ThreadLocalMapmap=getMap(t); if (map!=null) { ThreadLocal...
1 JDK-8340387 hotspot/runtime Update OS detection code to recognize Windows Server 2025Java™ SE Development Kit 7, Update 441 (JDK 7u441) - Restricted Release date: October 15, 2024 The full version string for this update release is 7u441-b08 (where "b" means "build"). The version...
{ 4: protected Object lockObject = new Object(); 5: static protected Map sharedMap; 6: protected int sharedInt = 1; 7: } 8: 9: // Main.java 10: import java.util.*; 11: public class Main extends Data { 12: public static void main(String args[]) { 13: Main m = new Main(...