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Explain the Rules for toString() Methods ?
toString() methods should return a single line of text that does not contain any carriage returns or linefeeds. toString() methods are primarily for debugging.toString() should not do a lot of fancy processing. toString() methods should be fast.
The string returned through toString() should contain the name of the class, and names and values of the fields which represent the state of the object, unless there are an excessive number of such fields, in that case only the most important should be returned.
A better Car toString() method would be: public String toString() { return "[Car: plate=" + this.licensePlate + " speed=" + this.speed + "; MaxSpeed=" + this.maxSpeed +"]"); }These rules are conventions, not needs of the language.
How can you justify that a DBMS is better to use than Flat-file database? A DBMS takes care of the storage, retrieval, and management of large data sets on a Database. It give
Difference between HashMap and Hash table HashMap: It allow us to have null values and also one null key It is Unsynchronized. Iterator in HashMap is Fail-Safe.
In this assignment, you will gain experience implementing the java.util.List interface. This includes writing an inner class called Node and another inner class called CS228LinkedL
Design a logic circuit to convert Gray code to Binary code and draw the logic circuit.
We require responsible and serious programmer Project Description: Big Data and On-line tools Website Liferay - JAVA - Portlets - JSP and JSF Skills required: J2EE,
Where the local varible declared? Declaring variables within a function, makes them local .They are available only within that function and hold no meaning outside of it
The event handler attribute consists of three elements. Write about each of them? 1. The identifier of the event handler. 2. The equal sign. 3. A string consisting of JavaScrip
What is the use of Wrapper class You can create an object of Wrapper class using a String or a primitive data type Integer num = new Integer (4); or Integer num = n
how do you access a value of an array?
State about the JVM? JVM is the acronym which stands for 'Java virtual machine'. JVM provides execution environment. JVM isn't platform independent. JVM is Java
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