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كورس تعلم لغة جافا من الصفر حتى الاحتراف String Methods in Java toLowerCase(), toUpperCase(), concat(), length(), trim(), replace() etc... The string toUpperCase() method is used in Java to convert a string to upper case, and the toLowerCase() method is used to ... Join my channel to get access to perks: Hello All ... 00:00:00 intro 00:00:28 .charAt() 00:01:34 .indexOf() 00:02:03 .lastIndexOf() 00:02:15 .length 00:02:40 . Launch Your First Android app with our TOP course at 82% OFF (24 hrs ONLY) HERE "Learn How To ...
052 String manipulation using indexof trim touppercase and tolowercase
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Java Programming - String Functions - toUpperCase(), toLowerCase(), trim()
toUpperCase and toLowerCase - Intro to Java Programming
String Methods in Java | toLowerCase(), toUpperCase(), concat(), length(), trim(), replace() etc...
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Last Updated: June 4, 2026
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