Friday, July 29, 2022

How to use ArrayList in Java? 10 Examples of ArrayList

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ArrayList in Java is the most frequently used collection class after HashMap in Java . Java ArrayList represents an automatic re-sizeable...
33 comments:
Wednesday, July 27, 2022

How to find current directory in Java with Example

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Hello guys, if you want to find current directory in Java and looking for a simple example then don't worry. Its easy to get current ...

How to read from and write to a text file in Java - Example Tutorial

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Java has excellent support for reading from file and writing to file in Java . In the last post, we have seen how to create files and dire...
7 comments:

How to append text into File in Java – FileWriter Example

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As a Java developer we often need to append text into File in Java instead of creating a new File, for example log files where every messa...
7 comments:

How to Copy a File in Java Program - Example Tutorial

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How to copy files in Java from one directory to another is a common requirement, given that there is no direct method in File API for copy...
5 comments:

How to read File into String in Java 7, 8 with Example

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Many times you want to read contents of a file into String , but, unfortunately, it was not a trivial job in Java, at least not until JDK 1...
4 comments:
Tuesday, July 26, 2022

Top 5 Free and Paid OCAJP, OCPJP Mock Exams and Practice questions - (Java Certification)

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In order to do well on Java certifications, you need good books and a reasonable number of practice questions before you go for exams. Prac...
16 comments:
Sunday, July 24, 2022

How to read a File in One Line in Java? Files.readAllLines() Example Tutorial

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Reading a file in Java is not simple, it requires lots of boilerplate code, as we have seen in our earlier example of reading text files ....
12 comments:

Java 8 - Stream FlatMap Example - List of Lists to List

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The flatmap is an interesting concept of functional programming which allows you to flatten the list or stream apart from transf...
2 comments:

How to convert java.util.Date to java.sql.Date - JDBC Example

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You often need to convert java.util.Date to java.sql.Date if you are storing dates in a database e.g. SQL SERVER or MySQL. Since JDBC has...
2 comments:
Saturday, July 23, 2022

How to convert String to Date in Java - SimpleDateFormat Example

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Hello Java developers, you may know that SimpleDateFormat in Java can be used to convert String to Date in Java. java.tex...
9 comments:

How to Convert Date to String in Java with Example

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As a Java developer we often need to convert java.util.Date or LocalDate to String in Java for  displaying purpose or sending Date as Str...
7 comments:

How to convert Date to LocalDate and LocalDateTime in Java 8 - Example Tutorial

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The easiest way to convert a java.util.Date to java.time.LocalDate is via Instant, which is the equivalent class of java.util.Date in JDK 8...
1 comment:

17 Examples of Calendar and Date in Java - Tutorial

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The java.util.Calendar class was added in Java on JDK 1.4 in an attempt to fix some flaws of the java.util.Date class. It did make some t...
Thursday, July 21, 2022

10 Difference between Java and JavaScript for Programmers

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Programmers, developers, and internet users have always been confused between Java and JavaScript.  Many people still think that JavaScript...
12 comments: