fun maxOf(a: Int, b: Int) = if (a > b) a else b 空值和空检查 using nullable values and checking for null Kotlin 的一个特点就是安全,没有空指针异常,在 Kotlin 中所有的引用都是有空值保护的。一个引用需要明确的显示的(explicitly)标记为可空(nullable)的,这个引用才可能会是 null。 fun pa...
fun parseInt(str: String): Int? { // ... } 类型判断使用is 关键字可以判断一个表达式的值是否为某个类型的实例。fun getStringLength(obj: Any): Int? { if (obj is String) { // 此处 `obj` 被自动转换为 `String` return obj.length } // `obj` 在类型检查分支外依然为 `Any` return ...
Integer.parseInt() • How to change the decimal separator of DecimalFormat from comma to dot/point? • Decimal separator comma (',') with numberDecimal inputType in EditText • How to print a float with 2 decimal places in Java? • Javascript: formatting a rounded number to N ...
parseInt(temaEditor.getString("palavras_reservadas"), 16)); 代码示例来源:origin: com.fifesoft/rsyntaxtextarea boolean tabsToSpaces) { SyntaxScheme colorScheme = textArea.getSyntaxScheme(); Style scheme = colorScheme.getStyle(getType()); 代码示例来源:origin: org.codehaus.jtstand/jtstand-editor...
fun parseInta(str: String): Int { return str.toInt() } } } /** * 循环测试+列表数组 */ fun loopTest(){ ///< 列表 var items = listOf("a", "b", "c") ///< 数组 var itema = arrayOf("a", "b", "c") ///< 直接获取值 ...
parseInt(indexStr); } catch (NumberFormatException e) { @@ -635,7 +635,7 @@ public StateMachineInstance getStateMachineInstanceByBusinessKey(String business private void deserializeParamsAndException(StateMachineInstance stateMachineInstance) { byte[] serializedException = (byte[]) stateMachineInstance....
fun parseInt(str: String): Int? { return str.toIntOrNull() } fun printProduct(arg1: String, arg2: String) { val x = parseInt(arg1) val y = parseInt(arg2) // ... if (x == null) { println("Wrong number format in arg1: '$arg1'") ...
hex.append(Integer.toHexString(Integer.parseInt(String.valueOf(ch), 2))); } return hex.toString(); } // CRC codes main process public static int[] makeCRCCodes(int[] sourceCodes, int[] multinomial) { // CRC码数组总长为原码长加上校验码码长。数组前部存放原码。校验码存放在数组 ...
NOTE: & and | are also operators in JS, but they are not the same as && and ||Converting (Casting) Between Types// String to number let n = Number("1000") let n = Number("NaN") // This works too let n = Number("1.23e-6") // And this let n = parseInt("123.456") //...
time = Integer.parseInt(prop.getProperty("TIME").trim()); It seems to be having a problem with the .load part of the second line. I have no idea why it wont allow this and I cant find anyone else through google or on here with the same problem. ...