Get String length with String length() method To find String length in java there is a method length(). This method is used to get the length of the string. The signature of length method is:
1 | public int length() |
The length method returns the length of the string. it counts the number of Unicode in string. str.length java … Read more
In Java programming, it is possible to create our own exceptions and such exception are called user-defined exceptions in Java. The exception class is a predefined class. Any user-defined exception created by us must be a subclass of the predefined Exception class and created by extending the Exception class. Read More Exception Handling in Java: … Read more
Employee details program in java as below. Here two classes are created Employee class EmployeeMain class Details of these two classes are as below java program for employee details using class and object employee class in java : Employee.java This class contains various fields of employees like id, fname, lname, address etc. Its corresponding getter … Read more
Here we generate and check prime number using while loop in java so that we titled this prime number program in java using while loop. 1 What is a Prime Number A prime number is a whole number that has only two factors 1 and the number itself. For example, 23 is a prime number, … Read more
In java programming, to perform input and output of 8-bit, Byte stream is used. Most common byte streams classes are, FileInputStream and FileOutputStream. FileInputStream : FileInputStream is used for reads one byte at a time . FileOutputStream : FileOutputStream is used for writes one byte at a time Writing Bytes Example: Write a program, to write a bytes to … Read more
Inheritance in Java is the process of acquiring the properties of one class object into another class object. It allows the hierarchical classification. Inheritance also provides the facility of reusability. In Java programming, a class that is inherited is called a superclass or sub class or parent class and class that does the inheriting is … Read more
Here we will concatenating and store buffering files in java using BufferedInputClass and BufferedOutputClass. Concatenate: It is possible to concatenate two or more files and save in a different file. In java, by using SequenceInputStream class we can concatenate two or more files. Buffer Files: In java, we can create a buffer to store temporary … Read more
Java Applet provides a GUI way to create a program and its interface, Here we are creating Simple Calculator in Java Applet with GUI and its processing. As we have already learned about applet and applet life cycle. Here we have discussed two simple calculator programs using the applet. Simple applet- a beginner program Simple … Read more
what is method overloading in java? In Java programming, Defining two or more methods with the same name with different parameter list are called Method Overloading in Java. Like void add(int a,int b);void add(double a, double b);void add(String a,String b);int add(int a,int b,int c); In method overloading, the method return type may be different. The … Read more
Gson parses JSON array meaning to Parsing JSON array with Google Gson library. Follow these steps to read JSON Array Create GSON Object Read array with fromJson() To read jsonString as an array we use the following syntax Gson gson=new Gson(); ElementType [] refVar=gson.fromJson(jsonString,ElementType[].class); To read jsonString as List TypeToken is used to find the … Read more
