java字符数组char[]和字符串String之间的转换

java字符数组char[]和字符串String之间的转换

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使用String.valueOf()将字符数组转换成字符串

void (){
  char[] s={'A','G','C','T'};
  String st=String.valueOf(s);
  System.out.println("This is : "+st);
}

>> This is : AGCT

使用.toCharArray()将字符串转换成字符数组

String st="AGCT";
char[] s=st.toCharArray();
for (int i=0;i<st.length();i++){
      System.out.println("This s[i]"+i+s[i]);
}

This s[i]0A
This s[i]1G
This s[i]2C
This s[i]3T