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- val str = "abcde";
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val str = "abcde" : string
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- String.substring(str, 1, String.size str - 1);
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val it = "bcde" : string
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- String.substring(str, 0, String.size str - 1);
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val it = "abcd" : string
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- String.substring(str, 1, String.size str - 2);
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val it = "bcd" : string
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