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on September 07, 2017

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PRIMETER AREA AND VOLUME FORMULAS

FORMULAS AREA AND PERIMETER OF SQUARE Area of square = a² Perimeter of square = 4a Here "a" stands for side length of square. AREA AND PERIMETER OF RECTANGLE Area of rectangle = l x b Perimeter of rectangle = 2(l + b) Here L and w represents length and width of rectangle. AREA AND PERIMETER OF EQUILATERAL TRIANGLE Area of Equilateral triangle = (√3/4) a² Perimeter of Equilateral triangle = 3a Here "a" represents side length of triangle. AREA AND PERIMETER OF SCALANE TRIANGLE Area of scalene triangle = √s(s-a)(s-b)(s-c) Perimeter of scalene triangle = a + b + c Here "s = (a + b + c)/2" AREA AND PERIMETER OF QUADRILATERAL Area of quadrilateral =(1/2) x d x (h ₁ +h ₂ ) Perimeter of quadrilateral = Sum of all four sides AREA AND PERIMETER OF PARALLELOGRAM Area of parallelogram = b x h Perimeter of quadrilateral = Sum of all four sides AREA AND PERIMETER OF RHOMBUS Area of rhombus =(1/2) x (d ₁ x d ₂ ) ...

DIFFERENCE BETWEEN SVG AND CANVAS

HTML5 SVG DIFFERENCES BETWEEN SVG AND CANVAS The HTML5 introduced the two graphical elements Canvas and SVG for creating rich graphics on the web, but they are fundamentally different. The following table summarizes some of the basic differences between these two elements, which will help you to understand how to use the Canvas and SVG elements effectively and appropriately. SVG The SVG stands for Scalable Vector Graphics. · Vector based (composed of shapes) · Multiple graphical elements, which become the part of the DOM · Modified through script and CSS · Give better performance with smaller number of objects or larger surface, or both · Better scalability — can be printed with high quality at any resolution Canvas · ...

WRAPPER CLASS IN JAVA

A Wrapper class is a class whose object wraps or contains a primitive data types. When we create an object to a wrapper class, it contains a field and in this field, we can store a primitive data types. In other words, we can wrap a primitive value into a wrapper class object. Need of Wrapper Classes 1. They convert primitive data types into objects. Objects are needed if we wish to modify the arguments passed into a method (because primitive types are passed by value). 2. The classes in java.util package handles only objects and hence wrapper classes help in this case also. 3. Data structures in the Collection framework, such as ArrayList and Vector , store only objects (reference types) and not primitive types. 4. An object is needed to support synchronization in multithreading. For example: While working with...

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