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Java 2022-03-09 00:05:13
length vs length() method in java
length() : In String class we have length() method which is used to return the number of characters in string. Ex : String str = “Hello World”; System.out.println(str.length()); Str.length() will return 11 characters including space. leng... Add solution -
Java 2022-03-08 13:25:15
how to check object type in java
// obj instanceof Class /*example*/ String str = "a String made by the String class"; if(str instanceof String) System.out.println("This is True"); if(str instanceof float) System.out.println("This will never be on your screen&... Add solution -
Other 2021-11-18 19:39:18
https://stackoverflow.com/questions/27420014/how-to-filter-json-object
public class Test { public static void main(String[] args) throws Exception { Type type = new TypeToken<List<Student>>() {}.getType(); Gson gson = new GsonBuilder().registerTypeAdapter(type, new Student.StudentListDeseria... Add solution -
Java 2021-10-08 16:07:08
string code
// Java code to illustrate different constructors and methods // String class. import java.io.*; import java.util.*; class Test { public static void main (String[] args) { String s= "GeeksforGeeks"; // or String s= new String ("Geeks... Add solution -
Java 2021-10-07 05:42:04
length and length() method in java
length() : In String class we have length() method which is used to return the number of characters in string. Ex : String str = “Hello World”; System.out.println(str.length()); Str.length() will return 11 characters including space. leng... Add solution -
Other 2021-10-02 19:55:05
why string builder
StringBuilder is for, well, building strings. Specifically, building them in a very performance way. The String class is good for a lot of things, but it actually has really terrible performance when assembling a new string out of smaller string parts be... Add solution -
Java 2021-09-27 23:54:07
how to compare strings java
******Java String compareTo()****** The Java String class compareTo() method compares the given string with the current string lexicographically. It returns a positive number, negative number, or 0. ___________________________________________ ... Add solution
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