To direct output to the display in Java, we can use:   System.out.println()   System.out.printf()   Both a and b    writeLine()

Computer Science Create a UML diagram of the following methods & classes (java language) using LucidApp. Class Name Method Description Calculation Multiply Multiplies two variables with data type double and returns the product Returns the area of the Rectangle using the method "Multiply" of the "Calculation" class in the calculation Rectangle Area Rec_Prism Volume - Returns the volume of a Rectangular Prism - Inherits class "Rectangle" and utilizes the method "Area" in the calculation Triangle Returns the area of the Triangle using the method “Multiply" of the "Calculation" class in the calculation Area Tri_Prism Volume Returns the volume of a Triangular Prism - Inherits class "Triangle" and utilizes the method "Area" in the calculation Reflexive Power - Inherits class "Calculation" - Returns the product of a number multiplied by itself based on the exponent - Requires two input parameters: a = the number b= the exponent - Calls the method "Multiply" to perform the multiply operation.…

Using JAVA code:  Please make a graphical interface that will convert infix to postfix expression.  Consider the code notes below:  The input expression should not have any spaces in between the characters.  Output an error message if the expression cannot be converted to its postfix expression equivalent.  The input (postfix) expression’s operands and operators must be separated by space.  Output an error message if the expression cannot be evaluated.

In JAVA: A single line string containing three words is to be read input from the user and the program should print all the words of the string in three separate lines. Sample Output: Input: First Second Third Output: First Second Third