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Java All : Character Handling
Concept Learning Code Sheets

Character Storage as a Number #3520

Demonstration of how a character is also stored like a number only.

Character and Integer Inter-conversion by implicit and explicit type casting #3522

Demonstration of how a character and integer can be inter-converted by implicit and explicit style of type casting.

Character Boxing (Converting to object of Character Class) #3526

Converting a character to it equivalent Wrapper class object so that many methods can be applied on it.

Character isMethods isDigit isLetter isLetterOrDigit isLowerCase isUpperCase isWhitespace #3531

Using isMethods on character like isDigit(), isLetter(), isLetterOrDigit, isUpperCase(), isLowerCase(), isWhitespace() and getting the boolean or true/false status returned

Exam Papers Problems

isUpperCase() toUpperCase() comparison #4019

( As In Exam - ICSC2018 )

Write a difference between the functions isUpperCase() and toUpperCase().

Write a difference between the functions isUpperCase() and toUpperCase().

isLetterOrDigit() replace() function #4256

( As In Exam - ICSE2016 )

Write the return type of the following library functions :
(i) isLetter

Write the return type of the following library functions :
(i) isLetterOrDigit(char)
(ii) replace(char,char)

Solved Problems

Count isLetter set in the ASCII code set #3549

Write a java program to count the number of letters in the ascii character ra

Write a java program to count the number of letters in the ascii character range 0 to 127 using the isLetter method of Character wrapper class.


Code Sheets:4  Exam Paper Problems:2  Solved Problems:1 
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