equals("This is methodOne"); } } 输出为: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 复制 annotations.AtUnitExample2 . exceptionExample java.io.FileNotFoundException: nofile.txt (The system cannot find the file specified) (failed) . assertExample . assertAndReturn This is methodTwo ...
* This exception may be thrown by methods that have detected concurrent * modification of an object when such modification is not permissible. * * For example, it is not generally permissible for one thread to modify a Collection * while another thread is iterating over it. In general, the...
* 读取文件 */publicstaticInputStreamgetStreamByFileName(String fileName)throws IOException{if(fileName==null){thrownewIllegalArgumentException("fileName should not be null!");}if(fileName.startsWith("http")){// 网络地址URLurl=newURL(fileName);returnurl.openStream();}elseif(fileName.startsWith...
如果有以下代码：String str = "123"; if (str.equals("123")) { ... }建议修改为：String str...
1.2 The Java“White Paper”Buzzwords Java“白皮书”中的口号 2 1.2.1 Simple 简单 3 1.2.2 Object-Oriented 面向对象 4 1.2.3 Distributed 分布式 4 1.2.4 Robust 健壮 4 1.2.5 Secure 安全 5 1.2.6 Architecture-Neutral 体系结构中立 6 1.2.7 Portable 可移植 6 ...
digits needed to represent the exact numerical result, the discarded digits will be referred to as thediscarded fractionregardless the digits' contribution to the value of the number. In other words, considered as a numerical value, the discarded fraction could have an absolute value gre...
Of course, there are a number of ways to create memory leaks in Java. For simplicity we will define a class to be a key in aHashMap, but we will not define theequals() and hashcode()methods. A HashMap is ahash tableimplementation for the Map interface, and as such it defines the...
Returns the count of elements in this stream. Stream<T>distinct() Returns a stream consisting of the distinct elements (according toObject.equals(Object)) of this stream. static <T>Stream<T>empty() Returns an empty sequentialStream.
8038113 client-libs java.awt [macosx] JTree icon is not rendered in high resolution on Retina 8038765 client-libs java.awt [macosx] Toolkit.sync should be implemented 8038999 client-libs java.awt In Java 8 java.awt.datatransfer.DataFlavor.equals is no longer symmetric ...
The result is true if and only if the argument is not null and is an Integer object that contains the same int value as this object. Overrides: equals in class Object Parameters: obj - the object to compare with. Returns: true if the objects are the same; false otherwise. See Also: ...