Strings
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What You'll Learn
- ✓String immutability — strings cannot be changed in place in most languages
- ✓String methods: length, charAt, substring, indexOf, split, trim, toUpperCase
- ✓String comparison: == vs .equals() (important in Java)
- ✓StringBuilder / StringBuffer — efficient string building in loops
- ✓Converting: string to char array, char array to string
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