class ConstStringInstruction extends DexlibAbstractInstruction {

  public ConstStringInstruction(Instruction instruction, int codeAdress) {
    super(instruction, codeAdress);
  }

  @Override
  public void jimplify(DexBody body) {<FILL_FUNCTION_BODY>}

  @Override
  boolean overridesRegister(int register) {
    OneRegisterInstruction i = (OneRegisterInstruction) instruction;
    int dest = i.getRegisterA();
    return register == dest;
  }
}

    int dest = ((OneRegisterInstruction) instruction).getRegisterA();
    String s;
    if (instruction instanceof Instruction21c) {
      Instruction21c i = (Instruction21c) instruction;
      s = ((StringReference) (i.getReference())).getString();
    } else if (instruction instanceof Instruction31c) {
      Instruction31c i = (Instruction31c) instruction;
      s = ((StringReference) (i.getReference())).getString();
    } else {
      throw new IllegalArgumentException("Expected Instruction21c or Instruction31c but got neither.");
    }
    StringConstant sc = StringConstant.v(s);
    AssignStmt assign = Jimple.v().newAssignStmt(body.getRegisterLocal(dest), sc);
    setUnit(assign);
    addTags(assign);
    body.add(assign);

    if (IDalvikTyper.ENABLE_DVKTYPER) {
      DalvikTyper.v().setType(assign.getLeftOpBox(), sc.getType(), false);
    }
  
<methods>public void <init>(org.jf.dexlib2.iface.instruction.Instruction, int) ,public org.jf.dexlib2.iface.instruction.Instruction getInstruction() ,public int getLineNumber() ,public soot.Unit getUnit() ,public Set<soot.Type> introducedTypes() ,public abstract void jimplify(soot.dexpler.DexBody) ,public void setLineNumber(int) <variables>protected final non-sealed int codeAddress,protected final non-sealed org.jf.dexlib2.iface.instruction.Instruction instruction,protected int lineNumber,protected soot.Unit unit