package ast.test.demo;import org.eclipse.jdt.core.dom.AST;import org.eclipse.jdt.core.dom.Assignment;import org.eclipse.jdt.core.dom.Block;import org.eclipse.jdt.core.dom.ClassInstanceCreation;import org.eclipse.jdt.core.dom.CompilationUnit;import org.eclipse.jdt.core.dom.ExpressionStatement;import org.eclipse.jdt.core.dom.IfStatement;import org.eclipse.jdt.core.dom.ImportDeclaration;import org.eclipse.jdt.core.dom.InfixExpression;import org.eclipse.jdt.core.dom.MethodDecla