checker/tests/index/StringSameLen.java

public class StringSameLen {
  public void m(String s) {
    String t = s;

    for (int i = 0; i < s.length(); ++i) {
      char c = t.charAt(i);
    }
  }

  public void m2(String s) {
    String t = s.toString();

    for (int i = 0; i < s.length(); ++i) {
      char c = t.charAt(i);
    }
  }

  public void m4(String s) {
    char[] t = s.toCharArray();

    for (int i = 0; i < s.length(); ++i) {
      char c = t[i];
    }
  }

  public void m6(char[] s) {
    String t = String.valueOf(s);

    for (int i = 0; i < s.length; ++i) {
      char c = t.charAt(i);
    }
  }

  public void m7(char[] s) {
    String t = String.copyValueOf(s);

    for (int i = 0; i < s.length; ++i) {
      char c = t.charAt(i);
    }
  }

  public void m8(String s) {
    String t = s.intern();

    for (int i = 0; i < s.length(); ++i) {
      char c = t.charAt(i);
    }
  }

  public void constructor(String s) {
    String t = new String(new char[] {'a'});
  }
}