String myStr1 = "Hello"; String myStr2 = "Hello"; String myStr3 = "Another String"; System.out.println(myStr1.equals(myStr2)); // Returns true because they are equal System.out.println(myStr1.equals(myStr3)); //
Java String Equals method is an instance method that allows comparing two string objects or literal for equality. The String Equals method is called on the String type object that has to be compared for equality. The string object to which the string has to be compared is passed as a parame...
Example: Java String equals() Method The following example shows the usage of java String() method. public class Example { public static void main(String[] args) { String columnist1 = "Walter Winchell"; String columnist2 = "John Gilbert"; String columnist3 = "Stephen Edwin King"; // Are...
在实际开发中,我们经常要比较传递进行来的字符串内容是否等,例如,String input = …;input.equals(“quit”),许多人稍不注意就使用==进行比较了,这是错误的,随便从网上找几个项目实战的教学视频看看,里面就有大量这样的错误。记住,字符串的比较基本上都是使用equals方法。 如果一个类没有自己定义equals方法,那么...
Returns a canonical representation for the string object. A pool of strings, initially empty, is maintained privately by the class String. When the intern method is invoked, if the pool already contains a string equal to this String object as determined by the equals(Object) method, then the...
// Java code to illustrate the equals() method import java.io.*; public class StringWriter_Demo { public static void main(String[] args) { // Creating an empty StringWriter StringWriter writer1 = new StringWriter(); // Inserting elements into the StringWriter writer1.write("GFG"); // ...
equals方法的示例 下面通过代码示例来演示equals方法的使用: publicclassStringEqualsExample{publicstaticvoidmain(String[]args){Stringstr1="Hello";Stringstr2="Hello";Stringstr3=newString("Hello");Stringstr4="World";// 使用equals方法比较字符串System.out.println(str1.equals(str2));// trueSystem.out...
Note that this method does not take locale into account, and will result in unsatisfactory results for certain locales. Thejava.text.Collatorclass provides locale-sensitive comparison. Java documentation forjava.lang.String.equalsIgnoreCase(java.lang.String). Portions of ...
public boolean equals(Object obj) { return (obj instanceof Float) && (floatToIntBits(((Float)obj).value) == floatToIntBits(value)); } 原因嘛,里面提到了两点: However, there are two exceptions:If f1 and f2 both representFloat.NaN, then the equals ...
public class StringMethod { public static void main(String[] args) { String s = "abcdef"; //获取当前字符串对象中,包含的字符个数 System.out.println(s.length()); //获取字符串对象代表字符序列中,指定位置的字符 System.out.println(s.charAt(1)); ...