Bluej java ide9/8/2023 ![]() ![]() Here is another example that returns false: ((2 > 10) & (8 > 4)) To better understand the & operator, you should know that both conditions must be true to get a value of true. If either one of the conditions had an untrue logic then we would get false. The operation will return true because both conditions are true – 10 is greater than 2 and 8 is greater than 4. ![]() The operator evaluates the value of both statements/conditions and gives us a result – true or false. Here is what the syntax looks like: statment1/condition1 & statemnt2/condition2Īs you can see above, there are two statements/conditions separated by the operator. It evaluates two statements/conditions and returns true only when both statements/conditions are true. They return either true or false based on the conditions given. Note that we use logical operators to evaluate conditions. The binary value 1000 in base 10 is 8 and that is why our operation returned 8. ![]() Now let's combine all the returned characters. ![]() We move on to the second characters – 0 for 10 and 1 for 12:įor the third characters – 1 for 10 and 0 for 12:įor the fourth characters – 0 for 10 and 0 for 12: The first character for 10 is 1 and the first character for 12 is also 1 so: Here is something you should have in mind before we start the operation: Let's look at an example to help you understand better: (10 & 12) When the & operator starts its operation, it will evaluate the value of characters in both numbers starting from the left. The binary result of these numbers will be returned to us in base 10. It evaluates the binary value of given numbers. The symbol & denotes the bitwise AND operator. In this article, we will be talking about the bitwise AND operator, and the AND ( &) and OR ( ||) logical operators. They are divided into various categories like arithmetic operators, assignment operators, comparison operators, logical operators, and so on. In the Project you find an example of: Casting, for / do / while Loop, use of operators, if / if-else / switch case selection, J unit Test, Java Doc, inheritance, bubble / insertion / selection sort algorithms and many more.We use operators in most programming languages to perform operations on variables. As a little kick-starter you can download one of my BlueJ Projects. If you look for a good book I would recommend Objects First with Java, A Practical Introduction using BlueJ (ISBN-10 0-13-606086-2). It runs under Windows, linux and the famous MAC OS X. Install the JDK (Java Development Kit) from Oracle (SUN) and install BlueJ. I guess the best way to start is try it out. The second side of the coin is BlueJ has no IntelliSense, which can you drive crazy, but its good to learn code syntax for examination purposes. Also interacting with an object like for example calling a method can be done with a few clicks. One of the major feature is you can create an object with a few clicks. Did you ever consider learning OOP (Object-oriented programming)? Or maybe you want just write a little code in Java? But you don’t want build an Enterprise level Project or study 1 Day, how to start with a “hello world” project? If you can answer one or more of these questions with yes, BlueJ might be the solution for you.īlueJ is an very simple to use Java IDE (integrated development environment). ![]()
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