TheSet.add()returns false if the element was already in the set; let see the benchmark at the end of the article. JavaDuplicated1.java packagecom.mkyong;importjava.util.Arrays;importjava.util.HashSet;importjava.util.List;importjava.util.Set;importjava.util.stream.Collectors;publicclassJavaDupl...
=null){Set<String>newIgnored=ignorals.findIgnoredForSerialization();if(_nonEmpty(newIgnored)){ignored=(ignored==null)?newHashSet<String>():newHashSet<String>(ignored);for(Stringstr:newIgnored){ignored.add(str
DMI: Adding elements of an entry set may fail due to reuse of Entry objects entrySet()方法被允许返回底层Map的视图,在该视图中,单个Entry对象在迭代过程中被重用并返回。从Java 1.6开始,IdentityHashMap和EnumMap都是这样做的。当迭代这样的Map时,Entry值只有在进入下一次迭代之前才有效。例如,如果您试图将...
=null){Set<String>newIgnored=ignorals.findIgnoredForSerialization();if(_nonEmpty(newIgnored)){ignored=(ignored==null)?newHashSet<String>():newHashSet<String>(ignored);for(Stringstr:newIgnored){ignored.add(str
for (int i = 0; i < array1.length; i++) { for (int j = 0; j < array2.length; j++) { // Check if elements in array1 and array2 are equal. if (array1[i].equals(array2[j])) { // Add the common element to the HashSet. set.add(array1[i]); } } } // Print ...
public Set<String> getPluginKeys() { Set<String> keys = new HashSet<String>(); for (WebElement element : driver.findElements(By.className("plugin-key"))) { keys.add(element.getText()); } return keys; } 代码示例来源:origin: com.atlassian.confluence/confluence-webdriver-pageobjects protected...
FindBugs是基于Bug Patterns概念,查找javabytecode(.class文件)中的潜在bug,主要检查bytecode中的bug patterns,如NullPoint空指针检查、没有合理关闭资源、字符串相同判断错(==,而不是equals)等 一、Security 关于代码安全性防护 1.Dm: Hardcoded constant database password (DMI_CONSTANT_DB_PASSWORD) 代码中创建DB...
of(testClass)); when(extensionContext.getElement()).thenReturn(Optional.of(method)); when(extensionContext.getStore(any())).thenReturn(store); return extensionContext; } Example 12Source File: ApplicationListenerMethodAdapterTests.java From java-technology-stack with MIT License 4 votes @Test ...
迭代器的next方法不能够抛出NoSuchElementException J2EE: Store of non serializable object into HttpSession (J2EE_STORE_OF_NON_SERIALIZABLE_OBJECT_INTO_SESSION) 在HttpSession对象中保存非连续的对象 JCIP: Fields of immutable classes should be final (JCIP_FIELD_ISNT_FINAL_IN_IMMUTABLE_CLASS) ...
method to find prime factor for supplied number * @param number * @return */ static String getPrimeFactors(long number){ Set<Integer> setPrimeFactors = new HashSet<>(); //set not Allowd Duplicate element for (int i = 2; i<= number; i++) { if (number % i == 0) { setPrime...