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KwickClips Java · 41 sec · free

What do all these programs have in common?

Short answer. A loop using charAt(i) while i < length().

Which condition must the loop use?

i < length(), not i <= length().

Practise these

Palindrome and reverse
Count vowels and words
Frequency of letters
Initials of a name

Remember

All use charAt(i) in a loop
Loop while i < length()

Which string programs come again and again in board papers? Practise four. Palindrome and reverse. Counting vowels and words. Frequency of letters. Initials of a name. All of them use charAt in a loop. Loop while i is less than length.

This clip is from the full lesson: String Programs: Palindrome, Reverse, Extraction and Counting — 7 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: ICSE Class 10 Computer Applications, ICSE Class 10 Computer Applications

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