闻者通达Java中字符串的使用方法
What are String Methods?String in Java (Concatenation)Building longer strings from shorter stringsString concatenation operator +Scanner Methodsnext()nextLine()String are chars sequencesString grettin
Printf 在Java中的用法介绍
How printf() works?String account = "Prime"; double total = 210.35; int years = 5; System.out.printf("The %s account saved you $%f over %d years\n", account, total, years);pri