排序
冒泡
选择
Arrays
toString(任意数组)
String
- StringBuffer new StringBuffer("")
- int Integer.parseInt("1")
- double Double.parseDouble("1.0")
- 数组 toCharArray() getBytes()
数组
-String
Arrays.toString(任意数组);
new String(字符数组)
new String(字符数组,start,len)
new String(byte[])
new String(byte[], start, len)
StringBuffer
-String
new StringBuffer().toString()
StringBuffer sb = new StringBuffer("abc");
sb.delete(0,sb.length());
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